{"product_id":"hex-head-cap-screws-grade-8-steel-plain-usa-made-5-16-18-x-3-1-2_3156ch8pdbb","title":"[50 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5\/16-18 x 3 1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eExperience reliable, heavy-duty fastening with our Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5\/16-18 x 3 1\/2. Built for demanding applications, these screws deliver superior strength and dependable performance in real-world conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Grade 8 steel for high tensile strength and durability\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain (untreated) finish for versatile use and compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type:\u003c\/b\u003e Hex head designed for easy driving with standard tools\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 5\/16-18 UNC for secure engagement in common threaded holes and nuts\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3 1\/2 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMade in:\u003c\/b\u003e USA\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Ideal for automotive, machinery, equipment assembly, and heavy-duty fastening\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith Grade 8 steel, these screws offer excellent shear and tensile strength to keep assemblies secure under demanding loads. The plain finish provides flexibility across different environments, while the standard 5\/16-18 thread ensures broad compatibility with existing nuts and inserts. Trust these screws for critical hardware tasks where strength and reliability matter.\u003c\/p\u003e \u003cp\u003eReady to upgrade your fasteners? Add these Hex Head Cap Screws to your cart and tackle tough projects with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50349053739287,"sku":"3156CH8PDBB","price":56.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/hex_cap_screw_plain_steel1_95cd19f3-c8b2-4935-8d0f-6eef50643429.gif?v=1744927740","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-plain-usa-made-5-16-18-x-3-1-2_3156ch8pdbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}