{"title":"Coupling Nuts","description":"\u003cp\u003eCoupling nuts, or extension nuts, connect two pieces of threaded rod or bolt for extended length or tension adjustment. Common in structural, plumbing, and electrical installations, they deliver strength and alignment. Browse coupling nuts in multiple sizes and materials at MutualScrew.com.\u003c\/p\u003e","products":[{"product_id":"coupling-nuts-hex-hdg-3-8-16_37cupg","title":"[10 PKG] Coupling Nuts Hex HDG 3\/8-16","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex HDG 3\/8-16\u003c\/b\u003e are high-strength hex coupling nuts designed to securely join threaded rods and bolts. Featuring a hot-dip galvanized (HDG) finish, they resist corrosion and provide long-lasting performance in outdoor and industrial environments.\u003c\/p\u003e \u003cp\u003eDesigned for use with 3\/8-16 fasteners, these hex coupling nuts allow you to connect two threaded shafts or rods with precision and ease. The HDG coating extends service life in harsh conditions, making them ideal for construction, machinery, and outdoor projects.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eHDG Finish:\u003c\/b\u003e Hot-dip galvanized coating provides superior corrosion resistance in outdoor or damp environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex Coupling Nut:\u003c\/b\u003e Hex-shaped body ensures easy wrench access and secure tightening.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Size:\u003c\/b\u003e 3\/8-16, suitable for 3\/8-inch diameter bolts or rods with 16 threads per inch.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel construction designed for strength and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for extending threaded connections in construction, machinery, and equipment assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Hot-dip galvanized (HDG)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConstruction and structural assemblies\u003c\/li\u003e \u003cli\u003eMachinery, equipment, and automotive applications\u003c\/li\u003e \u003cli\u003eOutdoor installations requiring corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose HDG hex coupling nuts\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExcellent corrosion resistance for outdoor and damp environments\u003c\/li\u003e \u003cli\u003eReliable torque transfer with a durable hex profile\u003c\/li\u003e \u003cli\u003eVersatile solution for extending threaded connections in a variety of projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your fastener kit with these reliable hex coupling nuts and ensure lasting performance in any project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379751162135,"sku":"37CUPG","price":43.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_8e60f67c-42bd-4eec-969e-18462ebdbb24.jpg?v=1744915139"},{"product_id":"coupling-nuts-hex-hdg-1-2-13_50cupg","title":"[10 PKG] Coupling Nuts Hex HDG 1\/2-13","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex HDG 1\/2-13\u003c\/b\u003e — a rugged hex coupling nut engineered to extend threaded connections with reliability. Made from durable steel and finished in hot-dip galvanized coating for exceptional corrosion resistance, it's ideal for outdoor, industrial, and construction applications.\u003c\/p\u003e \u003cp\u003eDesigned to join two male 1\/2\"-13 threaded members, this coupling nut provides a secure, clean connection. The hex geometry allows easy tightening with standard wrenches, even in tight spaces.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 1\/2-13 UNC (coarse thread)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Hot-dip galvanized (HDG) for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsage:\u003c\/b\u003e Joins two male threaded rods or bolts\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e Meets typical structural and hardware requirements for general-purpose fastening\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eApplications include fencing, machinery, construction, and outdoor projects where a robust, protected connection is required. Whether assembling frames, supports, or conveyors, these HDG coupling nuts help ensure long-lasting performance in challenging environments.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eWhy choose HDG coupling nuts?\u003c\/b\u003e The hot-dip galvanization process provides a thick, uniform coating that resists moisture, chemicals, and abrasion, helping your fasteners withstand rain, humidity, and temperature fluctuations while maintaining torque and security.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379752669463,"sku":"50CUPG","price":48.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_91f17245-886a-4b0d-b572-da55faecf0ed.jpg?v=1744915139"},{"product_id":"coupling-nuts-hex-hdg-5-8-11_62cupg","title":"[5 PKG] Coupling Nuts Hex HDG 5\/8-11","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex HDG 5\/8-11\u003c\/b\u003e are durable fasteners designed to join two male-threaded rods or studs with precision. Finished in hot-dip galvanizing (HDG), these hex coupling nuts provide excellent corrosion resistance for outdoor, industrial, and high-humidity environments. The 5\/8-11 UNC thread size ensures a reliable fit with standard coarse-thread fasteners.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eKey features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e HDG (hot-dip galvanized) for superior corrosion resistance in harsh conditions\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 5\/8-11 UNC, standard coarse thread for easy assembly\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize and type:\u003c\/b\u003e Hex coupling nut for multiple wrenching options\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-strength steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Joins two male-threaded rods or studs to create a longer fastener, extend reach, or repair assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 5\/8-11 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e HDG (hot-dip galvanized)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for outdoor equipment, fencing, automotive, electrical, and construction projects where a strong, corrosion-resistant connection is required. Stock up on these hex HDG coupling nuts to ensure a reliable fit and long service life in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379752702231,"sku":"62CUPG","price":54.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_cbca5140-6b97-4641-8ce2-73dc20043835.jpg?v=1744915145"},{"product_id":"coupling-nuts-hex-hdg-3-4-10_75cupg","title":"[5 PKG] Coupling Nuts Hex HDG 3\/4-10","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex HDG 3\/4-10\u003c\/b\u003e — a rugged, hot-dip galvanized solution designed to join two male-threaded rods or bolts with confidence and lasting strength.\u003c\/p\u003e \u003cp\u003eCrafted from durable steel and finished with a hot-dip galvanized coating, these hex coupling nuts resist corrosion in outdoor, damp, and industrial environments. The \u003cb\u003e3\/4-10 UNC\u003c\/b\u003e thread ensures compatibility with standard fasteners and rod stock.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eCorrosion-resistant HDG coating:\u003c\/b\u003e protects against moisture, chemicals, and weathering for long service life.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex body for easy installation:\u003c\/b\u003e provides strong torque transfer with common wrenches.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrecise threads:\u003c\/b\u003e deliver a secure, clean connection between two male-threaded parts.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile applications:\u003c\/b\u003e ideal for fencing, machinery, construction, and general structural work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re building a frame, repairing equipment, or assembling outdoor structures, our \u003cb\u003eCoupling Nuts Hex HDG 3\/4-10\u003c\/b\u003e deliver reliable performance when it matters most. Order today and ensure a dependable, corrosion-resistant connection that stands up to the elements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379752734999,"sku":"75CUPG","price":58.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_be940b93-e6a5-49b7-b6bd-57297acae249.jpg?v=1744922583"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-1-4-20-x-5-16-18-x-1_1431cup","title":"[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 1\/4-20 X 5\/16-18 X 1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Reducing Steel Zinc 1\/4-20 X 5\/16-18 X 1\u003c\/b\u003e is a robust fastening solution designed to join two bolts or studs with different thread sizes in a single, compact nut. Manufactured from \u003cb\u003esteel\u003c\/b\u003e with a \u003cb\u003ezinc finish\u003c\/b\u003e, it delivers dependable strength and corrosion resistance for daily use. The nut features dual threads: \u003cb\u003e1\/4-20\u003c\/b\u003e on one end and \u003cb\u003e5\/16-18\u003c\/b\u003e on the other, providing a reliable coupling in a compact form. The overall length is \u003cb\u003e1 inch\u003c\/b\u003e, making it ideal for tight installations where space is limited.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc (zinc-plated)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread sizes:\u003c\/b\u003e 1\/4-20 and 5\/16-18 (reducing)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStyle:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDurable steel construction for long-lasting performance\u003c\/li\u003e \u003cli\u003eCorrosion-resistant zinc finish protects against moisture and wear\u003c\/li\u003e \u003cli\u003eDual-thread design enables joining components with different thread standards without additional hardware\u003c\/li\u003e \u003cli\u003eCompact, space-saving geometry for lighter assemblies\u003c\/li\u003e \u003cli\u003eEasy to install with standard wrench sizes\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIdeal for automotive, machinery, and industrial projects requiring a quick, reliable thread-to-thread connection\u003c\/li\u003e \u003cli\u003eUse in furniture and general shop repairs where two sizes must be joined\u003c\/li\u003e \u003cli\u003eGreat for prototyping and maintenance tasks needing mismatched-thread coupling\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your fastening kit with this \u003cb\u003eHex Reducing Coupling Nut\u003c\/b\u003e to simplify assemblies and ensure a secure, lasting connection between components with different thread sizes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754045719,"sku":"CUP 1431.00","price":277.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_5c18620a-e17a-4093-9789-e8f27aa245d9.jpg?v=1744922581"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-1-4-20-x-1-2-13-x-1-1-4_1450cup","title":"[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 1\/4-20 X 1\/2-13 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Reducing Steel Zinc 1\/4-20 X 1\/2-13 X 1-1\/4\u003c\/b\u003e is a versatile fastener solution designed to join mismatched thread sizes in a single, compact piece. Built for reliability, this hex reducing coupling nut combines strength with corrosion resistance to perform in demanding environments.\u003c\/p\u003e \u003cp\u003eCrafted from sturdy steel and finished with a zinc coating, it offers durable protection against wear, rust, and corrosion. The reducing design accommodates multiple thread sizes, providing a practical connection point for assemblies that require different male threads.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel with zinc plating for enhanced durability and corrosion resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread sizes:\u003c\/b\u003e Reducing configuration featuring 1\/4-20, 1\/2-13, and 1-1\/4 thread options.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex body:\u003c\/b\u003e Precision-machined hex exterior for easy wrench engagement and secure torque transfer.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc electroplate finish for long-lasting protection in diverse conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for joining mismatched fasteners, linkages, and assemblies in automotive, machinery, and construction projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTo install, align the internal threads with the corresponding male fasteners, hand-tighten, then complete with a wrench to the recommended torque. Maintain clean threads for optimal performance and ensure compatibility with your hardware before tightening.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eEnhance your toolkit with this reliable hex reducing coupling nut — a durable, multi-size solution for complex assemblies.\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754078487,"sku":"CUP 1450.00","price":249.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_fb1ccbae-3b6a-401e-a595-7ef8aeb6c5bb.jpg?v=1744930621"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-5-16-18-x-3-8-16-x-1_3137cup","title":"[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 5\/16-18 X 3\/8-16 X 1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Reducing Steel Zinc 5\/16-18 X 3\/8-16 X 1\u003c\/b\u003e — a high-strength hex reducing coupling nut engineered to join bolts or rods of two different diameters in one compact, robust fastener.\u003c\/p\u003e \u003cp\u003eThis specialized reducing coupling nut offers two internal thread sizes: 5\/16-18 UNC and 3\/8-16 UNC, enabling quick and secure connections between components with differing thread diameters. Crafted from durable steel and finished with zinc plating, it delivers reliable corrosion resistance for both indoor and outdoor applications.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThread sizes: 5\/16-18 UNC and 3\/8-16 UNC\u003c\/li\u003e \u003cli\u003eOverall length: 1 inch\u003c\/li\u003e \u003cli\u003eMaterial: Steel\u003c\/li\u003e \u003cli\u003eFinish: Zinc plating\u003c\/li\u003e \u003cli\u003eType: Hex reducing coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEliminates the need for separate nuts when joining different thread sizes\u003c\/li\u003e \u003cli\u003eSecure, flush connection with a hex profile for easy tightening\u003c\/li\u003e \u003cli\u003eCorrosion-resistant zinc finish extends service life in challenging environments\u003c\/li\u003e \u003cli\u003eCompatible with standard wrenches for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for machinery, automotive, plumbing, electrical, and general structural assemblies where two different thread sizes must be joined in a single, reliable fastener.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754144023,"sku":"CUP 3137.00","price":151.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_83e6e5fc-9b43-4542-b2a5-51e687efee19.jpg?v=1744929209"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-3-8-16-x-1-2-13-x-1-1-4_3750cup","title":"[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 3\/8-16  X 1\/2-13 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your fastener collection with a hex reducing coupling nut crafted from steel and finished in zinc. This durable connector is engineered to join threaded components of different sizes in a single, compact nut.\u003c\/p\u003e \u003ch2\u003eProduct highlights\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel with zinc finish for corrosion resistance and long-lasting durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSizes:\u003c\/b\u003e Reducing coupling nut with thread sizes 3\/8-16 x 1\/2-13 x 1-1\/4.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc plating for added protection against wear and rust.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDesign:\u003c\/b\u003e Hex nut profile for easy wrench engagement and layout flexibility.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Ideal for joining two threaded components of different sizes in a single fitting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this coupling nut?\u003c\/h3\u003e\n\u003cp\u003eCombining strength, versatility, and corrosion resistance, this hex reducing coupling nut helps simplify assemblies in plumbing, automotive, machinery, and DIY projects. The zinc finish provides a protective layer while maintaining a clean, professional appearance.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Hex Reducing Coupling Nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Sizes:\u003c\/b\u003e 3\/8-16 x 1\/2-13 x 1-1\/4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754176791,"sku":"CUP 3750.00","price":125.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_66798e73-6491-47b1-a531-6ae1709896b4.jpg?v=1744934533"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-3-8-16-x-5-8-11-x-1-1-4_3762cup","title":"[100 PKG] Coupling Nuts Hex Reducing Steel Zinc 3\/8-16  X 5\/8-11 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Reducing\u003c\/b\u003e in steel with a zinc finish provides a robust, corrosion-resistant solution for joining two bolts of different sizes. This reducing coupling nut accommodates 3\/8-16 threads on one end and 5\/8-11 threads on the other, with a total length of 1-1\/4 inches.\u003c\/p\u003e \u003cp\u003eDesigned for dependable, space-efficient connections in automotive, machinery, and general assembly projects, it delivers strength where you need it most, while the hex shape ensures easy wrenching in tight spaces.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel with zinc plating for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEnd A:\u003c\/b\u003e 3\/8-16 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eEnd B:\u003c\/b\u003e 5\/8-11 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOverall length:\u003c\/b\u003e 1-1\/4 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex design:\u003c\/b\u003e Standard hex geometry for easy tool engagement\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex reducing coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Joining two bolts of different diameters in mechanical assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your fastener toolkit with this reliable hex reducing coupling nut to simplify multi-size connections and improve assembly efficiency.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754209559,"sku":"CUP 3762.00","price":201.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_225f986f-2c01-4778-bcbc-204044746070.jpg?v=1744930617"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-1-2-13-x-5-8-11-x-1-1-4_5062cup","title":"[50 PKG] Coupling Nuts Hex Reducing Steel Zinc 1\/2-13 X 5\/8-11 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Reducing Steel Zinc 1\/2-13 X 5\/8-11 X 1-1\/4\u003c\/b\u003e is a durable hex?shaped fastening solution designed to join two threaded rods or studs of different diameters with precision. Crafted from steel and zinc?plated for corrosion resistance, this reducing coupling nut features two internal thread sizes: 1\/2-13 and 5\/8-11, allowing you to adapt between standard coarse?thread rods with ease.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eTwo-thread sizes\u003c\/b\u003e: 1\/2-13 UNC on one end and 5\/8-11 UNC on the other end for versatile joining of different rod sizes.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial and finish\u003c\/b\u003e: Steel core with a zinc finish for durability and corrosion resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: Length 1-1\/4 inches (overall length).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e: Hex coupling nut provides a secure grip for standard wrenches, enabling easy assembly in tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandards\u003c\/b\u003e: Compatible with standard UNC threads (coarse thread).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse in electrical, mechanical, and construction projects to connect two threaded rods or studs of differing diameters.\u003c\/li\u003e \u003cli\u003eIdeal for framing, machinery, automotive repairs, and general hardware assembly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eHow to use\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAlign the threads of the two mating rods, thread the reducing coupling nut onto the first rod, then continue threading until the second rod engages. Tighten with a wrench to the required torque. Ensure mating rods have compatible UNC threads and clean the threads before assembly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754242327,"sku":"CUP 5062.00","price":98.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_1b0d8d4d-bcec-4f3f-b3d8-a2584aae0bab.jpg?v=1744925258"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-1-2-13-x-3-4-10-x-1-1-2_5075cup","title":"[50 PKG] Coupling Nuts Hex Reducing Steel Zinc 1\/2-13 X 3\/4-10 X 1-1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eOur Hex Reducing Coupling Nut in steel with a zinc finish is designed to join two threaded components of different sizes in a single, secure connection. With internal threads of 1\/2-13 and 3\/4-10 and a length of 1-1\/2 inches, this hex nut is built for durability and ease of use in tight spaces.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStyle\u003c\/b\u003e: Hex reducing coupling nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread sizes\u003c\/b\u003e: 1\/2-13 to 3\/4-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength\u003c\/b\u003e: 1-1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Joins threaded components of different sizes in machinery, automotive, and general hardware projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBenefits\u003c\/b\u003e: Durable construction, corrosion-resistant zinc finish, and easy tightening with standard wrenches\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your fastener kit with this reliable, space-saving connecting nut—perfect for projects that require a size reduction in a single handshake of threads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379754307863,"sku":"CUP 5075.00","price":197.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_18418d1c-6899-49d9-92c2-9a61c48ee7e0.jpg?v=1744932332"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-5-8-11-x-3-4-10-x-1-1-2_6275cup","title":"[25 PKG] Coupling Nuts Hex Reducing Steel Zinc 5\/8-11 X 3\/4-10 X 1-1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for heavy-duty joining tasks, this Hex Reducing Coupling Nut is crafted from steel and finished with a zinc coating to resist corrosion in demanding environments. It provides a secure, two-size connection by accepting different thread standards on each end: 5\/8-11 and 3\/4-10. With an overall length of 1-1\/2 inches, it fits compact assemblies where space is at a premium. Ideal for industrial, automotive, and workshop applications, this coupling nut delivers reliable performance and long-lasting service.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc plating\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread sizes:\u003c\/b\u003e 5\/8-11 (one end) and 3\/4-10 (other end)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOverall length:\u003c\/b\u003e 1-1\/2 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStyle:\u003c\/b\u003e Hex reducing coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Joins components with different thread standards in automotive, machinery, plumbing, and general industrial projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755258135,"sku":"CUP 6275.00","price":58.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_61ef7a0d-7d2d-467d-8eca-bca92d007856.jpg?v=1744927466"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-5-8-11-x-7-8-9-x-1-3-4_6287cup","title":"[25 PKG] Coupling Nuts Hex Reducing Steel Zinc 5\/8-11 X 7\/8-9 X 1-3\/4","description":"\u003cdiv\u003e\n\u003cp\u003eDurable and versatile, the Coupling Nuts Hex Reducing Steel Zinc 5\/8-11 X 7\/8-9 X 1-3\/4 is a hex-style reducing coupling nut designed to fasten components with different thread sizes in a single joint. With two internal thread options, it simplifies assemblies where space or access is limited.\u003c\/p\u003e\n\u003cp\u003eBuilt from rugged steel and finished with a protective zinc coating, this coupling nut delivers corrosion resistance and long service life in harsh environments. The hex profile provides easy wrench engagement, ensuring quick, secure thread engagement even in tight spaces.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eTwo-step reducing size\u003c\/b\u003e: Internal threads of 5\/8-11 and 7\/8-9 to join components with different thread standards.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength\u003c\/b\u003e: 1-3\/4\" overall length for extended engagement across long bolts or shafts.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Steel construction for strength and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc plating for corrosion resistance and wear protection.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eProfile\u003c\/b\u003e: Hex exterior for easy turning with standard wrenches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachinery assembly and repair\u003c\/li\u003e \u003cli\u003eAutomotive and hydraulic systems requiring different thread sizes\u003c\/li\u003e \u003cli\u003eConstruction and infrastructure projects where long, strong fasteners are needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755290903,"sku":"CUP 6287.00","price":66.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_d212a783-ec30-44cd-9b2a-649876a15d69.jpg?v=1744929211"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-3-4-10-x-7-8-9-x-1-3-4_7587cup","title":"[20 PKG] Coupling Nuts Hex Reducing Steel Zinc 3\/4-10 X 7\/8-9 X 1-3\/4","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your threaded-rod assemblies with this hex reducing coupling nut. Crafted from steel and finished with a zinc plating for corrosion resistance, it combines two female threads in one hex body: 3\/4-10 on one end and 7\/8-9 on the other, with a total length of 1-3\/4 inches. This two-size coupling nut is ideal for connecting or aligning different size rods in a single, compact fastener.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eTwo-thread-size design:\u003c\/b\u003e 3\/4-10 to 7\/8-9\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex profile:\u003c\/b\u003e Easy grip with standard wrenches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial and finish:\u003c\/b\u003e Steel with durable zinc plating for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize and fit:\u003c\/b\u003e Overall length 1-3\/4\" (1.75\"), compatible with 3\/4\"-10 and 7\/8\"-9 threaded rods\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Joining, extending, or reducing rod assemblies in construction, industrial, electrical, and DIY projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re building a support frame, electrical rack, or a custom fixture, this hex reducing coupling nut provides a reliable, easy-to-install connection between different rod sizes. Add resilience to your fastener kit with this zinc-coated steel nut designed for strength and longevity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755323671,"sku":"CUP 7587.00","price":85.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_c1fd5b11-de93-492f-91de-3b4345d21af3.jpg?v=1744930620"},{"product_id":"coupling-nuts-hex-reducing-steel-zinc-7-8-9-x-1-8-x-2_87100cup","title":"[15 PKG] Coupling Nuts Hex Reducing Steel Zinc 7\/8-9 X 1-8 X 2","description":"\u003cdiv\u003e\n\u003cp\u003eElevate your fastener toolkit with a robust Hex Reducing Coupling Nut crafted from steel and finished with zinc plating for long-lasting corrosion resistance. This precision part is designed to join two fasteners of different thread standards in a single, sturdy connector, making it ideal for heavy-duty assemblies and field repairs.\u003c\/p\u003e \u003cp\u003eTwo internal thread sizes built into one hex nut:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread sizes:\u003c\/b\u003e 7\/8-9 UNC on one end and 1-8 UNC on the other, allowing you to connect components with different thread pitches without adapters.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial \u0026amp; finish:\u003c\/b\u003e High-strength steel with zinc plating for durability and corrosion resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize \u0026amp; geometry:\u003c\/b\u003e 2 inches long with a hex body designed for easy wrench engagement and secure tightening.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Perfect for machinery, automotive, construction, and equipment assemblies where mixed-thread joining is required.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInstallation tips:\u003c\/b\u003e Thread bolts into each end until snug and torque per standard fastener guidelines for your application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're outfitting a repair shop or stocking a project-ready kit, this Hex Reducing Coupling Nut simplifies assembling mixed-thread components with confidence and reliability. Add it to your cart today for dependable, ready-to-use performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755389207,"sku":"CUP 87100.00","price":90.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_8349f4fb-45b8-425e-9552-0b985ab8d415.jpg?v=1744932333"},{"product_id":"coupling-nuts-hex-steel-zinc-1-4-20-x-7-8_14ncup","title":"[100 PKG] Coupling Nuts Hex Steel Zinc 1\/4-20 X 7\/8","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your assemblies with the \u003cb\u003eCoupling Nuts Hex Steel Zinc 1\/4-20 x 7\/8\u003c\/b\u003e. This hex coupling nut delivers reliable, repeatable performance for joining two male-threaded fasteners with a standard \u003ci\u003e1\/4-20\u003c\/i\u003e thread.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc-plated for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e \u003ci\u003e1\/4-20 UNC\u003c\/i\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 7\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShape:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for durability in automotive, machinery, construction, and general fabrication projects, this hex coupling nut provides a secure, easy-to-torque connection. The zinc finish protects against rust in moderate exposure environments, while the precise internal threads ensure smooth alignment and fast installation. Use it to extend or join threaded rods or bolts with standard \u003ci\u003e1\/4-20\u003c\/i\u003e fasteners.\u003c\/p\u003e \u003cp\u003eChoose the \u003cb\u003eCoupling Nuts Hex Steel Zinc 1\/4-20 x 7\/8\u003c\/b\u003e for strong, dependable connections that stand up to everyday use. Add to your toolbox and ensure consistent performance across your projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755421975,"sku":"14NCUP","price":15.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_b3cdad3a-9f89-40cc-a9f2-9438ae777803.jpg?v=1744922582"},{"product_id":"coupling-nuts-hex-steel-zinc-3-8-16-x-1-3-4_37ncup","title":"[100 PKG] Coupling Nuts Hex Steel Zinc 3\/8-16 X 1 3\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Steel Zinc 3\/8-16 X 1 3\/4\u003c\/b\u003e is a sturdy hex coupling nut designed to join two male-threaded components with precision and reliability. This zinc-plated steel fastener delivers a secure connection for a wide range of applications.\u003c\/p\u003e \u003cp\u003eBuilt from durable steel and finished with a zinc coating for corrosion resistance, this coupling nut provides strong, long-lasting performance in both indoor and outdoor environments. It is engineered to handle routine assembly and repair tasks with ease.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc plated\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1 3\/4 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsage:\u003c\/b\u003e Connects two male-threaded rods or bolts\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this coupling nut?\u003c\/h3\u003e\n\u003cp\u003eWhether you're assembling machinery, equipment, or framing, this hex coupling nut provides a reliable, easy-to-install solution that resists rust and corrosion. It works with standard tools for fast, secure tightening, making it an essential component in plumbing, automotive, and industrial hardware projects.\u003c\/p\u003e \u003cp\u003eFor robust performance and dependable connections, rely on the \u003ci\u003ecoupling nuts hex steel zinc 3\/8-16 x 1 3\/4\u003c\/i\u003e to keep your assemblies strong and corrosion-free.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755454743,"sku":"37NCUP","price":67.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_f2861cc0-dcc5-49c5-9bc1-7a8ed3fe80f2.jpg?v=1744936938"},{"product_id":"coupling-nuts-hex-steel-zinc-3-8-16-x-1-1-8_37cup","title":"[100 PKG] Coupling Nuts Hex Steel Zinc 3\/8-16 X 1 1\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Steel Zinc 3\/8-16 X 1 1\/8\u003c\/b\u003e is a high-strength hex coupling nut designed to join two male-threaded fasteners with ease and reliability.\u003c\/p\u003e \u003cp\u003eMade from durable steel and finished with a zinc plating, this coupling nut offers corrosion resistance, making it suitable for both indoor and outdoor use. Its hex shape provides a secure grip for tightening with standard wrenches, while the 3\/8-16 thread and overall length of 1-1\/8 in make it compatible with a wide range of rods and studs.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Zinc plated\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Joins two male-threaded fasteners or extends threaded rods\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're assembling machinery, plumbing fixtures, or automotive components, this hex coupling nut provides a reliable fastening solution that resists corrosion and loosening under normal vibration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755487511,"sku":"CUP 37.00","price":24.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_ae386cfd-5281-4b7e-a01a-e0b6cc7ae314.jpg?v=1744927467"},{"product_id":"coupling-nuts-hex-steel-zinc-1-2-13-x-1-3-4_50cup","title":"[50 PKG] Coupling Nuts Hex Steel Zinc 1\/2-13 X 1 3\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Steel Zinc 1\/2-13 x 1 3\/4\u003c\/b\u003e is a high-strength fastener designed to securely join two threaded rods or studs. Crafted from durable steel and finished with a protective zinc coating, this hex coupling nut resists corrosion and stands up to demanding environments. With a 1\/2-13 UNC thread and an overall length of 1-3\/4 inch, it delivers reliable alignment and easy wrench access for efficient assembly.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSteel construction with zinc plating for corrosion resistance\u003c\/li\u003e \u003cli\u003eHex exterior for easy wrench engagement\u003c\/li\u003e \u003cli\u003eThread size: 1\/2-13 UNC\u003c\/li\u003e \u003cli\u003eLength: 1-3\/4 in\u003c\/li\u003e \u003cli\u003eIdeal for joining two threaded rods or studs in automotive, construction, and industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaterial: steel\u003c\/li\u003e \u003cli\u003eFinish: zinc plating\u003c\/li\u003e \u003cli\u003eThread: 1\/2-13 UNC\u003c\/li\u003e \u003cli\u003eLength: 1.75 in\u003c\/li\u003e \u003cli\u003eStyle: hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eUse this coupling nut to extend threaded connections, align components, and create strong, removable joints in a wide range of projects, including automotive repairs, machinery assemblies, framing, and general fabrication.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755553047,"sku":"CUP 50.00","price":18.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_ad7f2534-1b00-41ba-8eb4-58ae4f3b4973.jpg?v=1747172280"},{"product_id":"coupling-nuts-hex-steel-zinc-5-8-11-x-2-1-8_62cup","title":"[25 PKG] Coupling Nuts Hex Steel Zinc 5\/8-11 X 2 1\/8","description":"\u003cdiv\u003e\n\u003cp\u003eOur \u003cb\u003eCoupling Nuts Hex Steel Zinc 5\/8-11 x 2 1\/8\u003c\/b\u003e delivers a reliable connection between two male fasteners, making it an essential component for machinery, automotive, and construction projects. The hex shape provides easy wrench access, even in tight spaces, while the zinc finish helps resist corrosion in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc plating for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size\u003c\/b\u003e: 5\/8-11\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength\u003c\/b\u003e: 2 1\/8 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Joins two male bolts or studs; suitable for automotive, construction, and general equipment assembly\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for durability and easy installation, this coupling nut provides a strong, long-lasting connection in a variety of environments. Keep a few on hand for fast, hassle-free repairs and assembly projects. Add to cart today to ensure you’re prepared for your next job.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755618583,"sku":"62CUP","price":39.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_f966ee66-f804-4f1f-a397-a733f9bbcd98.jpg?v=1744929212"},{"product_id":"coupling-nuts-hex-steel-zinc-3-4-10-x-2-1-4_75cup","title":"[25 PKG] Coupling Nuts Hex Steel Zinc 3\/4-10 X 2 1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Steel Zinc 3\/4-10 x 2 1\/4\u003c\/b\u003e are durable fasteners designed to securely join threaded rods or bolts. This hex coupling nut is crafted from strong steel and finished with a zinc coating for corrosion resistance, making it ideal for industrial, construction, and DIY applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Steel with a \u003cb\u003ezinc coating\u003c\/b\u003e for corrosion resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size\u003c\/b\u003e: \u003cb\u003e3\/4-10 UNC\u003c\/b\u003e.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength\u003c\/b\u003e: \u003cb\u003e2 1\/4 in\u003c\/b\u003e (overall).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType\u003c\/b\u003e: Hex coupling nut to join two threaded rods or bolts.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc plated.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Perfect for construction, machinery, automotive, and general fastener projects requiring strong rod-to-rod connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEquip your toolkit with these reliable coupling nuts for fast, secure rod connections. Whether you’re repairing a frame, assembling machinery, or tackling heavy-duty projects, these \u003cb\u003ecoupling nuts\u003c\/b\u003e deliver dependable performance and long-lasting value.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755913495,"sku":"CUP 75.00","price":33.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_5a44284a-cdb5-494f-a281-4ac599bac518.jpg?v=1744933393"},{"product_id":"coupling-nuts-hex-steel-zinc-1-8-x-2-3-4_100cup","title":"[10 PKG] Coupling Nuts Hex Steel Zinc 1-8 X 2 3\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Steel Zinc 1-8 x 2 3\/4\u003c\/b\u003e are precision-engineered fasteners designed to join two male bolts or threaded rods with reliability. The hex steel body provides multiple gripping flats for easy tightening, while the zinc plating offers corrosion resistance for long-lasting performance in challenging environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e hex steel with a zinc finish for durability and rust resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 1-8\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 2 3\/4 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e coupling nut, used to connect two male threaded fasteners\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e ideal for machinery, automotive, construction, and general hardware projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor best results, ensure compatibility with your existing fasteners and tighten with the appropriate wrench to prevent cross-threading. Our zinc-coated coupling nuts offer dependable strength and corrosion resistance in a compact, easy-to-handle design.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379755979031,"sku":"CUP 100.00","price":66.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_2563742a-40e6-486e-9ed6-6352ff253562.jpg?v=1744932332"},{"product_id":"coupling-nuts-hex-316-stainless-1-4-20-x-3-8-hex-x-7-8-_14cup316yw","title":"[15 PKG] Coupling Nuts Hex 316 Stainless 1\/4-20 X 3\/8 Hex X 7\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003e316 Stainless Steel Coupling Nut\u003c\/b\u003e — 1\/4-20 thread, 7\/8\" long, hex across flats 3\/8\". This coupling nut is designed to join two male-threaded components with strength and durability in demanding environments.\u003c\/p\u003e\n\u003cp\u003eConstructed from marine-grade 316 stainless steel, it offers superior corrosion resistance, making it ideal for marine, outdoor, and chemically aggressive settings. Its robust construction ensures a secure, long-lasting connection in industrial, automotive, and fabrication projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eInternal thread:\u003c\/b\u003e 1\/4-20\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBody length:\u003c\/b\u003e 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex (across flats):\u003c\/b\u003e 3\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003eExcellent corrosion resistance in saltwater and harsh environments\u003c\/li\u003e \u003cli\u003eStrong, secure connection between two male-threaded rods or bolts\u003c\/li\u003e \u003cli\u003eEasy to tighten or loosen with standard 3\/8\" hex tools\u003c\/li\u003e \u003cli\u003eDurable for marine, outdoor, industrial, and DIY applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Marine hardware and boat fittings, industrial machinery assemblies, outdoor equipment, architectural installations, and any project requiring a reliable two-ended connector\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: Verify compatibility with your components and follow torque guidelines for your specific application.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756044567,"sku":"14CUP316YW","price":62.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_5de2d90a-2d2c-435f-bb41-aa2ed103e814.jpg?v=1744915135"},{"product_id":"coupling-nuts-hex-316-stainless-5-16-18-x-7-16-x-1_31cup316yw","title":"[15 PKG] Coupling Nuts Hex 316 Stainless 5\/16-18 X 7\/16 X 1","description":"\u003cdiv\u003e\n\u003cp\u003eExperience secure, corrosion-resistant connections with our Coupling Nuts Hex 316 Stainless 5\/16-18 X 7\/16 X 1. Crafted from durable 316 stainless steel, these hex coupling nuts are designed to join two threaded components in demanding environments while delivering reliable performance.\u003c\/p\u003e \u003cp\u003eKey specifications:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 5\/16-18\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAcross flats:\u003c\/b\u003e 7\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOverall length:\u003c\/b\u003e 1\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e ideal for marine, outdoor, and industrial settings requiring stainless hardware\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThese hex coupling nuts are perfect for extending or joining threaded shafts in environments where corrosion resistance is essential. Choose them for strength, durability, and dependable performance in challenging conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756077335,"sku":"31CUP316YW","price":63.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_250723be-a541-4904-9c1b-9862807588c4.jpg?v=1744915129"},{"product_id":"coupling-nuts-hex-316-stainless-3-8-16-x-1-2-x-1-1-8_37cup316yw","title":"[10 PKG] Coupling Nuts Hex 316 Stainless 3\/8-16 X 1\/2 X 1-1\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 316 Stainless 3\/8-16 x 1\/2 x 1-1\/8\u003c\/b\u003e — a high-strength, corrosion-resistant fastener designed to securely join threaded components. Made from 316 stainless steel, this hex coupling nut offers superior performance in challenging environments.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel for excellent corrosion resistance, ideal for marine, outdoor, and chemical settings.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16 standard coarse thread for robust engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex size:\u003c\/b\u003e 1\/2\" across flats for easy drive with common wrenches.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/8\" overall to provide secure engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut designed to join two threaded rods or bolts with matching threads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBenefits\u003c\/h3\u003e \u003cp\u003eEngineered for dependable performance, these coupling nuts maintain holding power under vibration and stress, resist rust in harsh environments, and offer a reliable solution for creating longer bolts or extending threaded connections.\u003c\/p\u003e \u003ch3\u003eApplications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMarine construction, boat trailer assemblies, and waterfront hardware.\u003c\/li\u003e \u003cli\u003eIndustrial machinery and equipment that operate in humid or corrosive environments.\u003c\/li\u003e \u003cli\u003eFurniture or structural projects requiring extended threaded connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756110103,"sku":"37CUP316YW","price":76.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_a1ef241e-85e1-41f4-9599-b06efc124819.jpg?v=1744915141"},{"product_id":"coupling-nuts-hex-316-stainless-7-16-14-x-9-16-x-1-1-4_43cup316yw","title":"[5 PKG] Coupling Nuts Hex 316 Stainless 7\/16-14 X 9\/16 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003e316 Stainless Hex Coupling Nut\u003c\/b\u003e with a \u003cb\u003e7\/16-14 UNC\u003c\/b\u003e thread provides a secure, corrosion-resistant connection for joining two threaded rods or bolts.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 7\/16-14 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWidth across flats:\u003c\/b\u003e 9\/16 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4 in\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis hex coupling nut is ideal for connecting rods or bolts with 7\/16-14 threads in marine, chemical, outdoor, and heavy-duty applications. The 316 stainless construction resists rust, pitting, and corrosion, ensuring a long service life even in harsh environments. Use in machinery, automotive, construction, plumbing, and equipment assemblies where a strong, precise join is required.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756175639,"sku":"43CUP316YW","price":48.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_18ba999f-5b8a-46ff-845c-aa26424bf413.jpg?v=1744915127"},{"product_id":"coupling-nuts-hex-316-stainless-1-2-13-x-5-8-x-1-1-4_50cup316yw","title":"[5 PKG] Coupling Nuts Hex 316 Stainless 1\/2-13 X 5\/8 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003eCoupling Nuts Hex 316 Stainless 1\/2-13 x 5\/8 x 1-1\/4 delivers a reliable, corrosion-resistant solution for joining two threaded members. Crafted from 316 stainless steel, these hex coupling nuts resist rust and wear in demanding environments, including moisture, chemicals, and outdoor applications.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eKey specifications\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 1\/2-13 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex size:\u003c\/b\u003e 5\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBenefits and uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProvides a secure connection between two male threaded parts\u003c\/li\u003e \u003cli\u003eExcellent corrosion resistance for marine, outdoor, and industrial environments\u003c\/li\u003e \u003cli\u003eEasy to install with standard wrenches for quick, dependable assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for machinery, equipment, and structural hardware where durable, long-lasting joins are essential. Choose these 316 stainless hex coupling nuts for strong performance in challenging conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756273943,"sku":"50CUP316YW","price":51.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_894fe6a3-22d6-4d23-b2bd-6e0d95e376dc.jpg?v=1744915138"},{"product_id":"coupling-nuts-hex-316-stainless-5-8-11-x-7-8-x-1-3-4_62cup316yw","title":"[5 PKG] Coupling Nuts Hex 316 Stainless 5\/8-11 X 7\/8 X 1-3\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 316 Stainless 5\/8-11 x 7\/8 x 1-3\/4\u003c\/b\u003e provides a robust solution for joining two male-threaded rods or studs with precision and reliability.\u003c\/p\u003e \u003cp\u003eMade from 316 stainless steel, this hex coupling nut offers exceptional corrosion resistance, high strength, and durability in challenging environments, including marine, chemical, and outdoor applications.\u003c\/p\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThread size: 5\/8-11 UNC internal threads\u003c\/li\u003e \u003cli\u003eHex size (across flats): 7\/8 inch\u003c\/li\u003e \u003cli\u003eOverall length: 1-3\/4 inch\u003c\/li\u003e \u003cli\u003eMaterial: 316 stainless steel\u003c\/li\u003e \u003cli\u003eFinish: passivated for enhanced corrosion resistance\u003c\/li\u003e \u003cli\u003eType: coupling nut designed to join two male-threaded components\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for industrial machinery, automotive assemblies, marine applications, and outdoor projects where a durable, corrosion-resistant fastener is required. The 316 stainless steel construction ensures long-lasting performance in harsh environments, while the 5\/8-11 thread size provides compatibility with standard fasteners and rods.\u003c\/p\u003e \u003cp\u003eTips for installation: ensure clean threads, lightly lubricate to reduce galling, and torque according to your hardware specifications to maintain a secure, reliable connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756568855,"sku":"62CUP316YW","price":83.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_beef224c-5501-4cfd-a8f4-5ac71fbd37d7.jpg?v=1744915144"},{"product_id":"coupling-nuts-hex-316-stainless-3-4-10-x-1-x-2_75cup316yw","title":"[2 PKG] Coupling Nuts Hex 316 Stainless 3\/4-10 X 1 X 2","description":"\u003cdiv\u003e\n\u003cp\u003eCoupling Nuts Hex 316 Stainless 3\/4-10 x 2 in are precision-engineered hex coupling nuts crafted from corrosion-resistant 316 stainless steel. Designed to securely join threaded rods and bolts, these nuts deliver reliable performance in harsh environments.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel for excellent corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/4-10 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 2 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut for even load distribution and easy tightening\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for industrial, marine, and outdoor applications where strength and resistance to rust are essential. Use to join two threaded rods or to extend a threaded connection with a secure, consistent fit.\u003c\/p\u003e \u003ch3\u003eWhy Choose 316 Stainless\u003c\/h3\u003e\n\u003cp\u003e316 stainless steel provides superior corrosion resistance in challenging environments compared to standard stainless grades, helping to extend service life and reduce maintenance.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eOrder today\u003c\/b\u003e to ensure dependable, corrosion-resistant connections in your next project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756601623,"sku":"75CUP316YW","price":47.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_af412807-4228-4bff-8a08-f21ec51ed515.jpg?v=1744915143"},{"product_id":"coupling-nuts-hex-316-stainless-7-8-9-x-1-1-4-x-2-1-2_87cup316yw","title":"[2 PKG] Coupling Nuts Hex 316 Stainless 7\/8-9 X 1-1\/4 X 2-1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your fastening toolkit with the Coupling Nuts Hex 316 Stainless 7\/8-9 X 1-1\/4 X 2-1\/2. Crafted from corrosion-resistant 316 stainless steel, this hex coupling nut is designed to securely join two threaded rods of identical size.\u003c\/p\u003e \u003cp\u003eWith a broad across flats of 1-1\/4 inches and a total length of 2-1\/2 inches, it provides ample surface area for wrenching and a strong, vibration-resistant connection.\u003c\/p\u003e \u003cp\u003eThe 7\/8-9 UNC thread ensures compatibility with common fasteners and threaded rods used in marine, outdoor, and chemical environments. The 316 stainless grade resists rust, pitting, and corrosion even in harsh conditions.\u003c\/p\u003e \u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel for excellent corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 7\/8-9 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e Across Flats 1-1\/4 in; Length 2-1\/2 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Passivated to enhance corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Suitable for marine, outdoor, and chemical environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eWhy choose this coupling nut?\u003c\/h4\u003e\n\u003cp\u003eDesigned to securely join two threaded rods or bolts with identical thread pitch, this 316 stainless hex coupling nut delivers reliable performance in demanding conditions. Its robust material and precise threading ensure a tight, durable connection across varied applications.\u003c\/p\u003e \u003cp\u003eOrder now to ensure dependable connections in challenging environments where corrosion resistance and long-term strength matter.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756634391,"sku":"87CUP316YW","price":66.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_abd6a161-1095-4af4-a961-16abcf1814e4.jpg?v=1744915142"},{"product_id":"coupling-nuts-hex-316-stainless-1-8-x-1-3-8-x-2-1-2_100cup316yw","title":"[2 PKG] Coupling Nuts Hex 316 Stainless 1-8 X 1-3\/8 X 2-1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for durability, this Hex Coupling Nut in 316 stainless steel delivers secure, corrosion-resistant connections for threaded assemblies. Sized 1-8 X 1-3\/8 X 2-1\/2, it combines a robust hex profile with reliable threading for long-lasting performance in challenging environments.\u003c\/p\u003e \u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 316 stainless steel for excellent corrosion resistance and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut that joins threaded rods or bolts with precision.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 1-8 x 1-3\/8 x 2-1\/2 (as listed).\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cp\u003eIdeal for joining threaded rods or bolts in applications where strength and corrosion resistance are critical, including assembly lines, marine environments, and chemical processing settings where stainless hardware is preferred.\u003c\/p\u003e \u003ch4\u003eWhy Choose 316 Stainless?\u003c\/h4\u003e\n\u003cp\u003e316 stainless steel offers superior corrosion resistance compared to standard stainless steels, making it suitable for exposure to moisture, salt, and chemicals.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756667159,"sku":"100CUP316YW","price":85.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_bae27843-04db-4b5d-80d2-b45b908283fa.jpg?v=1744915143"},{"product_id":"coupling-nuts-hex-brass-1-4-20-thread-x-3-8-hex-x-7-8-_14cupb","title":"[15 PKG] Coupling Nuts Hex Brass 1\/4-20 Thread X 3\/8 Hex X 7\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts\u003c\/b\u003e in \u003ci\u003eBrass\u003c\/i\u003e deliver a strong, reliable threaded connection for a variety of projects. This model features a \u003cb\u003e1\/4-20 thread\u003c\/b\u003e, a \u003cb\u003e3\/8 inch hex\u003c\/b\u003e for easy wrenching, and an overall length of \u003cb\u003e7\/8 inch\u003c\/b\u003e, making it ideal for joining threaded rods and fasteners with precision.\u003c\/p\u003e \u003cp\u003eCrafted from durable brass, these coupling nuts offer excellent corrosion resistance and smooth, jam-free threading. The brass construction provides a balance of strength and workability, ensuring secure assemblies in both indoor and outdoor settings.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Brass (yellow brass) for strength and corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Size:\u003c\/b\u003e \u003cb\u003e1\/4-20\u003c\/b\u003e thread for standard hardware compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex Size:\u003c\/b\u003e \u003cb\u003e3\/8 inch\u003c\/b\u003e for easy tool engagement\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e \u003cb\u003e7\/8 inch\u003c\/b\u003e overall\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Natural brass finish\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Perfect for joining threaded rods, bolts, and various mechanical assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for both DIY projects and professional installations, these coupling nuts provide precise alignment and a secure hold every time. Add them to your hardware kit to ensure you’re prepared for reliable, high-quality connections.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756699927,"sku":"14CUPB","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_36ed2abc-c055-409d-b8f6-0c530d2a9b41.jpg?v=1744915132"},{"product_id":"coupling-nuts-hex-brass-3-4-10-thread-x-1-hex-x-2-_75ncupbyw","title":"[3 PKG] Coupling Nuts Hex Brass 3\/4-10 Thread X 1 Hex X 2","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eBrass Hex Coupling Nuts\u003c\/b\u003e with 3\/4-10 thread. This 2-pack provides two hex coupling nuts ready for secure threaded connections in brass hardware applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Brass\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 3\/4-10\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePack:\u003c\/b\u003e 2 pieces\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePerfect for projects that require a reliable brass fastener with standard 3\/4-10 threads. Add this 2-pack to your toolkit for consistent performance and easy installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756732695,"sku":"75NCUPBYW","price":43.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_8212b815-158b-4d00-8f12-e57da5c83e5c.jpg?v=1744915137"},{"product_id":"coupling-nuts-hex-brass-5-8-11-thread-x-7-8-hex-x-1-3-4-_62ncupbyw","title":"[7 PKG] Coupling Nuts Hex Brass 5\/8-11 Thread X 7\/8 Hex X 1 3\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Brass 5\/8-11 Thread X 7\/8 Hex X 1 3\/4\u003c\/b\u003e is a precision brass coupling nut designed to securely join two male-threaded fittings or studs with a 5\/8-11 UNC thread.\u003c\/p\u003e\n\u003cp\u003eWith a hex size of 7\/8\" across flats and a length of 1-3\/4\", it provides ample engagement and easy wrench access in tight spaces, making it a reliable choice for a variety of assemblies.\u003c\/p\u003e\n\u003cp\u003eConstructed from high-quality brass, this coupling nut offers good corrosion resistance and dependable durability for plumbing, machinery, automotive, and general hardware applications.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Brass for corrosion resistance and durability\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 5\/8-11 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAcross Flats:\u003c\/b\u003e 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-3\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Natural brass\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Joining two male-threaded fittings or studs in plumbing, mechanical assemblies, and automotive projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your hardware with this robust brass coupling nut for trusted, long-lasting performance in a range of demanding environments. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379756765463,"sku":"62NCUPBYW","price":68.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_2fcebdee-33c1-4a25-8325-1e97bf77e36f.jpg?v=1744915131"},{"product_id":"coupling-nuts-hex-brass-1-2-13-thread-x-5-8-hex-x-1-1-4-_50ncupbyw","title":"[7 PKG] Coupling Nuts Hex Brass 1\/2-13 Thread X 5\/8 Hex X 1 1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eBrass Hex Coupling Nut - 1\/2-13 Thread, 5\/8\" Hex, 1-1\/4\" Long\u003c\/b\u003e — a durable, corrosion?resistant hardware connector designed to join two male threaded rods or bolts with a 1\/2-13 UNC thread.\u003c\/p\u003e \u003cp\u003eDesigned to securely join two male threaded rods or bolts with a 1\/2-13 UNC thread, this Brass Hex Coupling Nut delivers reliable strength and corrosion resistance in a compact, easy-to-use fastener.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Brass\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 1\/2-13 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOuter hex size:\u003c\/b\u003e 5\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eApplications: Ideal for joining threaded rods in plumbing, electrical, automotive, or machinery assemblies where a lightweight, corrosion?resistant connector is required. Brass provides excellent machinability, good corrosion resistance, and non?magnetic properties that help prevent interference in sensitive equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379757060375,"sku":"50NCUPBYW","price":36.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_df1d385d-da42-4920-a234-748b4bf57cc8.jpg?v=1744915149"},{"product_id":"coupling-nuts-hex-brass-7-16-14-thread-x-9-16-hex-x-1-1-4-_43ncupbyw","title":"[7 PKG] Coupling Nuts Hex Brass 7\/16-14 Thread X 9\/16 Hex X 1 1\/4","description":"\u003cdiv\u003e\n\u003cp\u003eMeet your fastening needs with a durable brass coupling nut designed to join two male-threaded shafts or rods. The internal thread is 7\/16-14, designed for robust connections, while the hex across flats measures 9\/16\" for easy wrench grip. With an overall length of 1-1\/4\", these coupling nuts deliver a compact, reliable connection in a variety of environments. Crafted from brass for corrosion resistance and a smooth, dependable finish, they’re ideal for mechanical assemblies, automotive repairs, and DIY projects.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Brass for durability and corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInternal Thread:\u003c\/b\u003e 7\/16-14 (UNC)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex Size (Across Flats):\u003c\/b\u003e 9\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOverall Length:\u003c\/b\u003e 1-1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Connects two male-threaded rods or studs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 7\/16-14\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInternal Thread:\u003c\/b\u003e 7\/16-14 to mate with male threads\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHex Across Flats:\u003c\/b\u003e 9\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379757125911,"sku":"43NCUPBYW","price":35.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_d502e389-73ae-4e36-aeef-35c98318df11.jpg?v=1744915146"},{"product_id":"coupling-nuts-hex-brass-3-8-16-thread-x-1-2-hex-x-1-1-8-_37ncupbyw","title":"[9 PKG] Coupling Nuts Hex Brass 3\/8-16 Thread X 1\/2 Hex X 1 1\/8","description":"\u003cdiv\u003e\n\u003cp\u003eEnhance your mechanical assemblies with this hex brass coupling nut, precisely engineered to join two male-threaded components. With a 3\/8-16 thread, a 1\/2\" hex size, and an overall length of 1 1\/8\", this compact nut delivers a secure, reliable connection in tight spaces.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Brass provides good corrosion resistance, machinability, and conductivity for a variety of applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 3\/8-16 thread (UNC) for standard compatibility with common fasteners and fittings.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e Hex across flats measures 1\/2\" for easy wrenching in confined areas.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1 1\/8\" overall to suit a range of assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Coupling nut designed to connect two male-threaded parts, creating a secure double-ended connection.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for electronics enclosures, plumbing, cabinetry, automotive, and general hardware projects where a dependable brass coupling is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor best results, pair these hex brass coupling nuts with compatible male-threaded rods or fittings to ensure a tight, vibration-resistant connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379757617431,"sku":"37NCUPBYW","price":38.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_f052ba0d-2acb-4975-96de-b1b0f762d2c9.jpg?v=1744915150"},{"product_id":"coupling-nuts-hex-brass-5-16-18-thread-x-7-16-hex-x-1-_31ncupbyw","title":"[8 PKG] Coupling Nuts Hex Brass 5\/16-18 Thread X 7\/16 Hex X 1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex Brass 5\/16-18 Thread X 7\/16 Hex X 1\u003c\/b\u003e are precision hex coupling nuts designed to securely join two male-threaded fasteners with a 5\/16-18 thread. Crafted from high-quality brass, they offer reliable strength, smooth threads, and excellent corrosion resistance for lightweight, long-lasting performance.\u003c\/p\u003e \u003cp\u003eKey specifications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eInternal thread size: 5\/16-18\u003c\/li\u003e \u003cli\u003eHex width across flats: 7\/16\"\u003c\/li\u003e \u003cli\u003eOverall length: 1\"\u003c\/li\u003e \u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cb\u003eBenefits:\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConnects two male-threaded components with 5\/16-18 threads for a secure, reliable fit.\u003c\/li\u003e \u003cli\u003eBrass construction provides good corrosion resistance and easy machinability for lightweight hardware applications.\u003c\/li\u003e \u003cli\u003eCompact 1\" length and 7\/16\" hex head enable easy installation with standard wrenches, even in tight spaces.\u003c\/li\u003e \u003cli\u003eIdeal for furniture, plumbing, electrical, and general mechanical projects where brass hardware is preferred.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eStock up on these high-quality hex coupling nuts to ensure fast, durable connections in your next project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379757650199,"sku":"31NCUPBYW","price":35.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_d9826dca-ab19-4f3f-ad50-d2a55989b430.jpg?v=1744915147"},{"product_id":"coupling-nuts-hex-18-8-stainless-8-32-x-5-8_08cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 8\/32 X 5\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 8\/32 x 5\/8\u003c\/b\u003e are precision-engineered fasteners designed to join two male-threaded components with a strong, reliable fit. Made from 18\/8 stainless steel, they offer excellent corrosion resistance and long-lasting performance in a range of environments.\u003c\/p\u003e\n\u003cp\u003eFeaturing a hex shape for easy wrench access, these coupling nuts accept standard 8-32 threads and measure 5\/8 inch in length, making them suitable for a variety of applications in hardware projects, automotive, and industrial assemblies.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Stainless steel (18\/8)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 8-32\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 5\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Joins two male-threaded parts in hardware, automotive, and industrial projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned for dependable performance, these hex coupling nuts deliver durable strength and corrosion resistance, ensuring secure connections in lightweight to heavy-duty assemblies. Add them to your hardware kit to handle a wide range of fastening needs with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379757682967,"sku":"08CUP188","price":127.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_d63734ee-3f68-4875-9ae2-69aa5c6afa60.jpg?v=1744915147"},{"product_id":"coupling-nuts-hex-18-8-stainless-10-24-x-3-4_10cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 10\/24 X 3\/4","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Coupling Nuts Hex 18\/8 Stainless 10-24 x 3\/4 — a robust, corrosion-resistant fastener designed to securely join two male-threaded components. Built from 18\/8 stainless steel, this hex coupling nut delivers dependable strength and long-lasting performance in a variety of environments.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInternal threads:\u003c\/b\u003e 10-24 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/4 in (19.05 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShape:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsage:\u003c\/b\u003e Connects two male-threaded fasteners with 10-24 threads\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for machinery, automotive, electronics enclosures, and DIY projects where a secure, compact join is required. The 3\/4 in length provides ample thread engagement while maintaining a slim profile.\u003c\/p\u003e \u003ch3\u003eWhy 18\/8 Stainless\u003c\/h3\u003e\n\u003cp\u003e18\/8 stainless steel offers a reliable balance of corrosion resistance and strength, making these coupling nuts suitable for indoor and outdoor applications. They resist rust and staining, helping to extend the life of assemblies in challenging environments.\u003c\/p\u003e \u003cp\u003eUpgrade your fastener kit with these premium hex coupling nuts and ensure reliable connections in every project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379757715735,"sku":"10CUP188","price":120.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_dcc796b2-69a2-4b73-8cca-5d34354f5cbd.jpg?v=1744915148"},{"product_id":"coupling-nuts-hex-18-8-stainless-10-32-x-3-4_11cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 10\/32 X 3\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 10\/32 X 3\/4\u003c\/b\u003e is a high-quality hex coupling nut designed to securely join two male-threaded components with 10-32 threads. Made from 18\/8 stainless steel, this nut offers excellent corrosion resistance and dependable performance in a variety of environments.\u003c\/p\u003e \u003cp\u003eKey advantages:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (AISI 304) for corrosion resistance and strength.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInternal thread:\u003c\/b\u003e 10-32 UNF to fit 10-32 male fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/4\" (about 19.05 mm).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut designed to join two male-threaded parts in tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Smooth stainless finish for reliable threading and longevity.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for electronics enclosures, machinery assemblies, cabinetry, automotive projects, and other precision hardware needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to use: Thread the nut onto a male 10-32 screw or bolt until fully seated, then join with a second male threaded piece. The hex shape provides multiple wrenching options for a secure install.\u003c\/p\u003e \u003cp\u003eWhy choose this coupling nut:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eExceptional corrosion resistance in demanding environments\u003c\/li\u003e \u003cli\u003eReliable, precision threading for smooth assembly\u003c\/li\u003e \u003cli\u003eCompact 3\/4\" length suitable for tight spaces\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAdd this \u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 10\/32 X 3\/4\u003c\/b\u003e to your hardware kit for strong, durable joins that stand up to moisture and wear.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758010647,"sku":"11CUP188","price":100.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_37fe56c5-40f9-4533-b86b-4f3e73cfc576.jpg?v=1744915133"},{"product_id":"coupling-nuts-hex-18-8-stainless-1-4-20-7-8_14cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 1\/4-20 7\/8","description":"\u003cdiv\u003e\n\u003cp\u003eChoose reliability with our hex coupling nut crafted from \u003cb\u003e18\/8 stainless steel\u003c\/b\u003e for superior corrosion resistance and long-lasting performance. This \u003cb\u003e1\/4-20 coupling nut\u003c\/b\u003e securely joins two externally threaded fasteners, making it ideal for converting or extending bolt connections in a variety of projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Size:\u003c\/b\u003e 1\/4-20 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 7\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrimary Use:\u003c\/b\u003e Connecting two externally threaded fasteners\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re assembling machinery, automotive components, or outdoor equipment, this \u003cb\u003estainless hex coupling nut\u003c\/b\u003e provides a strong, corrosion-resistant connection you can count on. Add it to your hardware kit for quick, secure thread runs and repeatable results.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758043415,"sku":"14CUP188","price":26.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_e047629f-c497-499a-96b5-de939dfa04f9.jpg?v=1744915150"},{"product_id":"coupling-nuts-hex-18-8-stainless-1-4-28-x-7-8_15cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 1\/4-28 X 7\/8","description":"\u003cdiv\u003e\n\u003cp\u003eExperience dependable, corrosion-resistant joining with our Coupling Nuts Hex 18\/8 Stainless 1\/4-28 x 7\/8 inch. These hex coupling nuts securely connect threaded rods and bolts, delivering precise engagement and long-lasting performance in demanding environments.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel for superior corrosion resistance and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 1\/4-28 (fine) to suit precision assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 7\/8 inch to provide ample engagement without excess protrusion.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type:\u003c\/b\u003e Hex profile for easy tightening with common wrenches or sockets.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Stainless steel finish that resists rust in tough environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThread: 1\/4-28 (fine)\u003c\/li\u003e \u003cli\u003eLength: 7\/8\" (22.2 mm)\u003c\/li\u003e \u003cli\u003eMaterial: 18\/8 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for connecting threaded rods and bolts in machinery, automotive, plumbing, and general fabrication projects. The 18\/8 stainless construction makes these coupling nuts suitable for outdoor or marine environments where corrosion resistance is important.\u003c\/p\u003e \u003ch3\u003eCare \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cp\u003eKeep clean and dry when not in use. Wipe with a damp cloth; avoid harsh chemicals that could degrade stainless finishes. If exposed to outdoor or marine settings, regular inspection helps prevent corrosion and ensures reliable performance.\u003c\/p\u003e \u003cp\u003eEnhance your fastener kit with these reliable coupling nuts and enjoy secure, long-lasting connections in your next project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758076183,"sku":"15CUP188","price":35.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_5bca87af-303a-4e49-9b56-ddb36f3a620a.jpg?v=1744915134"},{"product_id":"coupling-nuts-hex-18-8-stainless-5-16-18-x-1_31cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 5\/16-18 X 1","description":"\u003cdiv\u003e\n\u003cp\u003eCoupling Nuts Hex 18\/8 Stainless 5\/16-18 X 1 is a precise hex coupling nut engineered to join two male-threaded fasteners. Manufactured from \u003cb\u003e18\/8 stainless steel\u003c\/b\u003e, this nut provides dependable strength and compatibility with standard thread size \u003cb\u003e5\/16-18\u003c\/b\u003e, with a 1-inch overall length.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 5\/16-18\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUsage:\u003c\/b\u003e Used to join two male-threaded fasteners\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for reliable performance in assemblies where two threaded rods must be connected, this coupling nut delivers a straightforward, secure connection with standard hardware. Add the Coupling Nuts Hex 18\/8 Stainless 5\/16-18 X 1 to your toolkit for a dependable, ready-to-use solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758108951,"sku":"31CUP188","price":39.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_12c173fb-e4fa-4511-9c98-654820d35404.jpg?v=1744915127"},{"product_id":"coupling-nuts-hex-18-8-stainless-5-16-24-x-1_32cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 5\/16-24 X 1","description":"\u003cdiv\u003e\n\u003cp\u003eUpgrade your hardware connections with the Coupling Nuts Hex 18\/8 Stainless 5\/16-24 X 1. This hex coupling nut is designed to join two male-threaded fasteners, providing a robust and compact linking solution for a variety of projects.\u003c\/p\u003e \u003cp\u003eConstructed from 18\/8 stainless steel, this nut delivers superior corrosion resistance and durability, making it suitable for indoor and outdoor applications where moisture or humidity is a concern. The 5\/16-24 UNF thread size is a common standard, ensuring compatibility with widely used hardware, and the 1 inch length provides ample engagement for secure connections.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 5\/16-24 UNF\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether building, repairing, or upgrading equipment, these hex coupling nuts offer reliable performance with a straightforward installation process. Count on a precise fit and lasting strength for your assemblies.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758141719,"sku":"32CUP188","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_2063eee8-c899-45e7-9c94-cca6c73fffd0.jpg?v=1744915128"},{"product_id":"coupling-nuts-hex-18-8-stainless-3-8-16-x-1-1-8_37cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 3\/8-16 X 1-1\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 3\/8-16 X 1-1\/8\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your fastener kit with these high-strength hex coupling nuts, crafted from 18\/8 stainless steel (304). They resist corrosion and wear, making them ideal for applications in automotive, machinery, plumbing, and general fabrication where two threaded components need to be joined securely.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (304).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16 UNC.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/8 in (28.6 mm).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut for fastening two threaded rods or components with female threads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey benefits:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExcellent corrosion resistance in wet or harsh environments.\u003c\/li\u003e \u003cli\u003eStrong, load-bearing performance suitable for mechanical assemblies.\u003c\/li\u003e \u003cli\u003ePrecise imperial thread standard for easy compatibility with standard nuts and bolts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're building, repairing, or reinforcing equipment, these coupling nuts provide reliable joining capability with a compact, hex design for easy wrench access. Order these 3\/8-16 x 1-1\/8 inch hex coupling nuts in 18\/8 stainless to ensure durable performance across tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758174487,"sku":"37CUP188","price":42.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_6cc70bbe-40e0-43ef-9c96-b6031f13c9ba.jpg?v=1744915135"},{"product_id":"coupling-nuts-hex-18-8-stainless-3-8-16-x-1-3-4_37lcup188","title":"[20 PKG] Coupling Nuts Hex 18\/8 Stainless 3\/8-16 X 1-3\/4","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for joining threaded rods and bolts, the \u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 3\/8-16 x 1-3\/4\u003c\/b\u003e delivers reliable strength and corrosion resistance in a compact hex body.\u003c\/p\u003e\n\u003cp\u003eMade from \u003cb\u003e18\/8 stainless steel\u003c\/b\u003e, this hex coupling nut combines the durability of stainless steel with excellent corrosion resistance, ideal for use in automotive, machinery, plumbing, and DIY projects.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel for superior corrosion resistance and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 3\/8-16 (standard thread for joining two male-threaded components).\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-3\/4 in overall length to accommodate long studs or multiple fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Bright, stainless finish that resists tarnish and makes cleaning easy.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShape:\u003c\/b\u003e Hex body for easy tightening with standard wrenches.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for joining fasteners in automotive, machinery, plumbing, and general assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStock up on these \u003cb\u003ecoupling nuts\u003c\/b\u003e to ensure quick, secure connections wherever reliability matters. Add to cart for prompt shipping and dependable performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758240023,"sku":"37LCUP188","price":131.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_e0e77171-ea1e-4107-aed2-e18174dc478f.jpg?v=1744922584"},{"product_id":"coupling-nuts-hex-18-8-stainless-3-8-24-x-1-1-8_38cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 3\/8-24 X 1-1\/8","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 3\/8-24 x 1-1\/8\u003c\/b\u003e delivers a reliable, corrosion?resistant solution for joining threaded rods and bolts in a wide range of projects.\u003c\/p\u003e \u003cp\u003eCrafted from 18\/8 stainless steel (304), this hex coupling nut provides excellent durability and resistance to rust and staining, making it suitable for indoor and many outdoor applications.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 3\/8-24 UNC (fine thread)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex coupling nut\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Natural stainless\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProvides a strong, secure connection when joining two threaded shafts or rods\u003c\/li\u003e \u003cli\u003eResists corrosion and staining for long?lasting performance\u003c\/li\u003e \u003cli\u003eDesigned for easy installation with standard wrenches\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for machinery, automotive, furniture, construction, and general shop use where a compact, reliable coupling nut is needed to extend or join 3\/8-24 threaded components.\u003c\/p\u003e \u003cp\u003eEnhance your hardware toolkit with these stainless coupling nuts—engineered for strength, durability, and dependable performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758502167,"sku":"38CUP188","price":66.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_2f64e73a-9ddb-4c2f-8d45-44bd64b9a81c.jpg?v=1744915130"},{"product_id":"coupling-nuts-hex-18-8-stainless-7-16-14-x-1-1-4_43cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 7\/16-14 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eCoupling Nuts Hex 18\/8 Stainless 7\/16-14 X 1-1\/4\u003c\/b\u003e is a high-strength fastener designed to securely join two male threaded parts. Crafted from 18\/8 stainless steel for superior corrosion resistance, this coupling nut delivers reliable performance in demanding environments, indoors or outdoors, including marine and industrial applications.\u003c\/p\u003e \u003cp\u003eKey advantages of this stainless steel coupling nut:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: 18\/8 stainless steel (AISI 304\/304L) for excellent corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread size\u003c\/b\u003e: \u003cb\u003e7\/16-14 UNC\u003c\/b\u003e standard coarse thread for easy compatibility with common fasteners\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength\u003c\/b\u003e: \u003cb\u003e1-1\/4 in\u003c\/b\u003e to provide ample engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Smooth, corrosion-resistant surface suitable for harsh environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Perfect for joining two male fasteners in machinery, automotive, construction, outdoor, and marine projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re rebuilding equipment or assembling industrial hardware, this hex coupling nut ensures a secure, drift-free connection. Order today and enjoy durable stainless steel performance with easy wrenching and dependable load distribution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758534935,"sku":"43CUP188","price":87.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_c6e3f997-75dc-4e66-a4d0-7f5b7bc80df8.jpg?v=1744915145"},{"product_id":"coupling-nuts-hex-18-8-stainless-7-16-20-x-1-1-4_44cup188","title":"[25 PKG] Coupling Nuts Hex 18\/8 Stainless 7\/16-20 X 1-1\/4","description":"\u003cdiv\u003e\n\u003cp\u003eCoupling Nuts Hex 18\/8 Stainless 7\/16-20 X 1-1\/4 is engineered for durable, corrosion-resistant thread-to-thread connections. Made from 18\/8 stainless steel (304 grade), this hex coupling nut securely joins threaded rods or bolts with a 7\/16-20 profile, delivering reliable performance in challenging environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 18\/8 stainless steel (304) for excellent corrosion resistance and long-lasting strength.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 7\/16-20 UNC thread for standard compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1-1\/4 inches long.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eProfile:\u003c\/b\u003e Hex coupling nut for easy wrenching and a secure grip.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Natural stainless steel finish for indoor\/outdoor use.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTypical applications:\u003c\/b\u003e Joining two threaded rods or bolts in automotive, plumbing, machinery, and general hardware projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose 18\/8 stainless coupling nuts? The 304-grade stainless steel offers superior corrosion resistance, making them well-suited for moisture-prone or outdoor environments. The hex design enables fast, tool-friendly installation, while the precise 7\/16-20 thread ensures compatibility with standard hardware components.\u003c\/p\u003e \u003cp\u003eEnhance your fastener toolkit with the Coupling Nuts Hex 18\/8 Stainless 7\/16-20 X 1-1\/4. Order today to ensure dependable, corrosion-resistant connections on your next project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379758567703,"sku":"44CUP188","price":109.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/37CUPG_3b9caa3f-ec1c-44cd-bf8b-f98bbc518b1c.jpg?v=1744915133"}],"url":"https:\/\/mutualscrew.com\/collections\/coupling-nuts.oembed?page=3","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}