{"product_id":"hillman-5-8-in-d-x-8-in-l-heat-treated-zinc-steel-hex-head-cap-screw","title":"HILLMAN 5\/8 in. D X 8 in. L Heat Treated Zinc Steel Hex Head Cap Screw","description":"\u003cdiv\u003eHillman 5\/8 in. D x 8 in. L Heat Treated Zinc Steel Hex Head Cap Screw delivers reliable strength for heavy-duty fastening with a finish built to resist corrosion. Designed for tough environments, this Grade 5 hex head cap screw pairs a rugged steel core with a heat-treated zinc coating to resist wear and keep joints secure over time. \u003ch3\u003eWhy this Hillman hex head cap screw stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e: Heat-treated zinc coating provides enhanced hardness and improved wear resistance, helping the screw stand up to repeated loosening and tightening in demanding applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise sizing\u003c\/strong\u003e: 5\/8 inch head diameter and 8 inch length offer a robust, long-reach fastener for thick materials or assemblies that require a substantial bite.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGrade 5 strength\u003c\/strong\u003e: Engineered for reliable performance under load, making it suitable for structural connections, machinery assembly, and other demanding tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoarse-thread for easy assembly\u003c\/strong\u003e: The coarse thread lets you drive quickly into soft or moderately hard materials, reducing cross-threading and time on the job.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHex head for practical driving\u003c\/strong\u003e: Standard hex head accepts common wrenches and drivers, enabling solid torque transfer and simple re-tightening when needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReady-to-use packaging\u003c\/strong\u003e: Sold as a boxed, single-piece package for straightforward procurement and minimal waste on-site.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eThis screw is well-suited for assemblies where a strong, reliable fastener is required in thicker materials. Use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMetal-to-metal or metal-to-wood connections in machinery mountings, frame assemblies, and equipment housings.\u003c\/li\u003e \u003cli\u003eFurniture and cabinetry projects where sturdy, long screws are needed to secure heavy components.\u003c\/li\u003e \u003cli\u003eConstruction or DIY projects that demand a durable fastener with excellent torque retention in tough environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to get the best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with a compatible nut or tapped hole and, if vibration is a concern, consider a light thread locker or a locking washer to reduce loosening over time.\u003c\/li\u003e \u003cli\u003ePre-drill a pilot hole suited to the material to avoid splitting and to ensure full engagement of the coarse threads.\u003c\/li\u003e \u003cli\u003eUse standard hex drivers or wrenches; apply steady pressure to avoid stripping the hex head during installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Hillman\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Heat Treated Zinc\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: 5\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead type\u003c\/strong\u003e: Hex\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead diameter\u003c\/strong\u003e: 5\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 8 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: Coarse\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackage\u003c\/strong\u003e: 1 piece in a boxed package\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you need a dependable, long-reach hex cap screw that balances strength and corrosion resistance, this Hillman 5\/8 in. D x 8 in. L heat-treated zinc steel fastener is built to perform. Add it to your toolkit for reliable, straightforward fastening on a range of projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52171849793810,"sku":"53766","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/53766_LA.eps_High.jpg?v=1775503193","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-5-8-in-d-x-8-in-l-heat-treated-zinc-steel-hex-head-cap-screw","provider":"National Hardware Group","version":"1.0","type":"link"}