{"product_id":"57426-hillman-5-16-in-d-x-3-1-2-in-l-heat-treated-zinc-steel-hex-head-cap-screw-50-pk","title":"Hillman 5\/16 in. Diameter x 3-1\/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack","description":"\u003ch1\u003eHillman Grade 5 Zinc Hex Head Cap Screws, 5\/16 in. x 3-1\/2 in., 50-Pack\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eThese Grade 5 hex head cap screws from Hillman deliver reliable fastening strength for automotive, machinery, and general construction projects. Made of steel with a heat-treated zinc finish, they resist wear while the washer-faced head provides a better seal.\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 provides 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\u003eWasher-Faced Hex Head:\u003c\/strong\u003e Flat bearing surface under head improves sealing and load distribution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePartially Threaded Shank:\u003c\/strong\u003e Adds shear strength while allowing precise clamping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse Thread Compatibility:\u003c\/strong\u003e Ideal for quick assembly and strong hold with standard nuts\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHillman\u003c\/td\u003e\n\u003c\/tr\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\u003e3-1\/2 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\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\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 along shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImperial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePieces per Pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\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        \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: Are these fully threaded?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e No. They are Grade 5 hex cap screws with a partially threaded shank.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What size are these screws?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e They are 5\/16 inch diameter by 3-1\/2 inch length.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What material and finish?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Steel with a heat-treated zinc finish for added strength and wear resistance.\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.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: How many are in the box?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e 50 pieces per pack.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eIndustrial polish with purposeful strength\u003c\/h2\u003e\n    \u003cp\u003eI love how these zinc-kissed hex cap screws bring a refined industrial note to projects—sleek, resilient, and unapologetically functional. The washer-faced head is a subtle design detail that reads clean while working hard behind the scenes. Style them with raw woods and matte black hardware for a balanced, tailored contrast. They’re the quiet essential that elevates craftsmanship to a luxe finish.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eChoose these Hillman Grade 5 hex cap screws for dependable strength and a clean, corrosion-resistant finish on your next build.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":48991918653654,"sku":"200096","price":40.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/b312de58-6d2c-4fba-9315-0546dd9a7593.jpg?v=1783639292","url":"https:\/\/buildsupplyus.myshopify.com\/products\/57426-hillman-5-16-in-d-x-3-1-2-in-l-heat-treated-zinc-steel-hex-head-cap-screw-50-pk","provider":"Buildsupply","version":"1.0","type":"link"}