{"product_id":"57427-hillman-5-16-in-d-x-4-in-l-heat-treated-zinc-steel-hex-head-cap-screw-50-pk","title":"Hillman 5\/16 in. x 4 in. Grade 5 Heat‑Treated Zinc Steel Hex Head Cap Screws, 50-Pack","description":"\u003ch1\u003eHillman Grade 5 Zinc Hex Head Cap Screws, 5\/16 in. x 4 in., 50-Pack\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eDurable grade 5 hex head cap screws for secure fastening in wood, metal, and machinery. Made from heat-treated steel with a protective zinc finish, they feature a washer face under the head and coarse threads for reliable grip.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eGrade 5 Strength:\u003c\/strong\u003e Heat-treated steel delivers higher tensile strength for demanding applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Finish:\u003c\/strong\u003e Zinc plating helps protect against rust and wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Seating:\u003c\/strong\u003e Washer face under the hex head provides a tighter, more even seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePartially Threaded Shank:\u003c\/strong\u003e Improves shear strength and alignment where full-thread isn’t required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Convenience:\u003c\/strong\u003e 50-pack boxed for shop, jobsite, or inventory use.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003chr\u003e\n    \u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n                \u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat Treated Zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrade 5 (USS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHex head with washer face\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoarse (USS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThreading\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePartially threaded shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber in Package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaging Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBoxed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHillman\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003chr\u003e\n    \u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What size are these screws?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Each screw is 5\/16-inch diameter and 4 inches long.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What thread type do they use?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Coarse thread (USS).\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Are these fully threaded?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e No, they are partially threaded along the shank.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What tools are needed for installation?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Tighten with a wrench or compatible driver on the hex head; use with a nut or tapped hole.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Are they suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e The zinc finish offers basic corrosion resistance; for harsh or marine environments, consider higher corrosion-resistant coatings or stainless steel.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eIndustrial polish with dependable bite\u003c\/h2\u003e\n    \u003cp\u003eThese hex cap screws bring a crisp, utilitarian gleam that punctuates cabinetry, workshop fixtures, and custom metalwork with tailored precision. The heat‑treated, zinc‑plated finish reads clean and intentional, while the hex head adds a graphic moment of hardware. Style them with matte black brackets or raw oak to balance sheen with texture. It’s the quiet, engineered detail that elevates everyday builds to luxe, lasting craft.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eOutfit your next project with these rugged, zinc-finished Grade 5 cap screws and fasten with confidence.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":48991920324822,"sku":"200099","price":46.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/b67de274-71f8-4ff3-9b40-8e5766cc86e4.jpg?v=1783639303","url":"https:\/\/buildsupplyus.myshopify.com\/products\/57427-hillman-5-16-in-d-x-4-in-l-heat-treated-zinc-steel-hex-head-cap-screw-50-pk","provider":"Buildsupply","version":"1.0","type":"link"}