{"product_id":"54528-hillman-5-16-in-d-x-4-in-l-heat-treated-steel-hex-head-cap-screw-50-pk","title":"Hillman 5\/16 in. Diameter x 4 in. Length Heat Treated Steel Hex Head Cap Screw, Grade 8, Coarse Thread, 50-Pack","description":"\u003ch1\u003eHillman Grade 8 5\/16 in. x 4 in. Hex Cap Screws (50-Pack)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eHeavy-duty Hillman hex head cap screws engineered from heat-treated steel for high-strength fastening. Grade 8, coarse-thread bolts with washer face under the head deliver reliable clamping power for automotive, machinery, and construction projects.\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 8 Strength:\u003c\/strong\u003e Heat-treated steel provides superior tensile strength for demanding applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse Thread:\u003c\/strong\u003e Enhances grip and resists stripping in general-purpose fastening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWasher Face Under Head:\u003c\/strong\u003e Improves load distribution and sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePartially Threaded Shank:\u003c\/strong\u003e Adds shear strength where it matters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value Pack:\u003c\/strong\u003e 50 screws sized 5\/16 in. diameter x 4 in. length\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 (yellow dichromate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\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\u003eHead Style\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\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\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor use with a nut or tapped hole; tighten with wrench or drill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Dimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.3 in x 4.3 in x 3.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.2 lb\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 and thread are these bolts?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e They are 5\/16-inch diameter by 4-inch length with coarse threads (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 for added shear strength.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What grade and material are they?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Grade 8 heat-treated steel for high-strength applications.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Do they have any special head features?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a washer face under the hex head helps create a better seal and distributes load.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: How many bolts are included?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e 50 bolts per box.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eIndustrial Strength with Streamlined Utility\u003c\/h2\u003e\n    \u003cp\u003eThese grade 8 hex cap screws evoke a crisp, utilitarian beauty—precision lines and a confident, engineered profile. I love the subtle geometry of the hex head paired with a substantial shank, a quiet nod to performance. Decant them into a clear jar on an open shelf in the workshop for a sculptural, ready-to-work vignette. Strength this considered becomes a staple of refined, hardworking spaces.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eChoose Hillman Grade 8 hex cap screws for dependable, high-strength fastening in your next build.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":48991918883030,"sku":"220098","price":58.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/5283a817-4a61-48d7-ab7c-4c626034717c.jpg?v=1783639287","url":"https:\/\/buildsupplyus.myshopify.com\/products\/54528-hillman-5-16-in-d-x-4-in-l-heat-treated-steel-hex-head-cap-screw-50-pk","provider":"Buildsupply","version":"1.0","type":"link"}