{"product_id":"hillman-7-8-9-in-d-x-3-in-l-heat-treated-steel-hex-head-cap-screw","title":"HILLMAN 7\/8-9 in. D X 3 in. L Heat Treated Steel Hex Head Cap Screw","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your project demands serious strength, the Hillman 7\/8\"-diameter, 9 TPI, 3\" long heat-treated steel hex head cap screw delivers reliable performance under heavy loads. Crafted from high-grade steel and hardened through a precise heat-treatment process, this Grade 8 fastener is built to resist deformation and maintain a tight, secure fit in demanding applications.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 7\/8 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type:\u003c\/strong\u003e Coarse (9 TPI)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead style:\u003c\/strong\u003e Hex head cap screw\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Heat treated\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e 8\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoint type:\u003c\/strong\u003e Blunt\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Boxed\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePieces per package:\u003c\/strong\u003e 10 pc\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe heat-treated, Grade 8 steel construction means higher tensile strength and improved resistance to wear in high-torque, high-stress assemblies. The blunt point is designed for use with pre-drilled holes or nuts, reducing the risk of cross-threading during installation. The coarse 9 TPI thread provides quicker engagement and strong clamping force, making this hex head cap screw ideal for heavy equipment, structural connections, and industrial maintenance tasks.\u003c\/p\u003e \u003ch3\u003eIdeal uses\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial machinery assemblies where a robust, long-lasting fastener is required\u003c\/li\u003e \u003cli\u003eStructural framing and timber-to-metal connections with compatible nuts\u003c\/li\u003e \u003cli\u003eAutomotive, agricultural, and heavy-duty equipment maintenance\u003c\/li\u003e \u003cli\u003eCustom fabrication projects that demand high-strength fasteners\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with a matching nut and washer for a secure, load-bearing connection\u003c\/li\u003e \u003cli\u003eEnsure the mating hole is properly sized for a 7\/8\" diameter screw\u003c\/li\u003e \u003cli\u003eFor outdoor or corrosive environments, consider protective coatings or compatible hardware to extend life\u003c\/li\u003e \u003cli\u003eAvoid overtightening to prevent thread damage; use standard torque procedures suited to the mating material\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose Hillman for consistent tolerances, dependable performance, and a fastener you can rely on in the most demanding builds. Ready to tackle your next project with a high-strength hex head cap screw? This Hillman 7\/8\"-diameter, 9 TPI, 3\" long unit is ready to ship in boxed packaging as a 10-piece set.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52197905793298,"sku":"5304936","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/5304936_A.eps_High.jpg?v=1776205211","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-7-8-9-in-d-x-3-in-l-heat-treated-steel-hex-head-cap-screw","provider":"National Hardware Group","version":"1.0","type":"link"}