{"product_id":"hex-head-cap-screws-grade-8-steel-plain-usa-made-5-8-18-x-4_6364ch8pusabb","title":"[90 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5\/8-18 x 4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHex Head Cap Screws Grade 8 Steel Plain (USA Made) 5\/8-18 x 4\u003c\/b\u003e are premium fasteners designed for demanding industrial applications. Machined from high-strength Grade 8 steel, these screws provide dependable torque resistance and superior strength for critical assemblies.\u003c\/p\u003e \u003cp\u003eWith a plain finish, these screws offer a clean surface profile and compatibility with on-site coatings or additional finishing processes as needed. The 5\/8-18 size refers to a 5\/8 inch nominal diameter with 18 threads per inch, and the 4 inch length makes them suitable for thicker joints and robust mounting scenarios.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Grade 8 steel for superior tensile and shear strength.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain (uncoated) surface for versatility in coatings on demand.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 5\/8-18 UNC thread; length 4 inches.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type:\u003c\/b\u003e Hex head cap screw for use with standard hex sockets.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOrigin:\u003c\/b\u003e USA Made — quality control you can trust.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Heavy machinery, automotive assemblies, structural mounts, and other high-load fastening tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose these Grade 8 steel hex cap screws for demanding performance, reliability, and domestic production. Add them to your toolkit to ensure strong, lasting joints in critical equipment and projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50349038272791,"sku":"6364CH8PUSABB","price":153.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/hex_cap_screw_plain_steel1_bc12cb50-fa56-4770-a9f4-15ec59b281e3.gif?v=1744980833","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-plain-usa-made-5-8-18-x-4_6364ch8pusabb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}