{"product_id":"value-collection-mp39158-hex-cap-screw-5-8-11-x-4-1-2-in-grade-8","title":"Value Collection MP39158 Hex Cap Screw 5\/8-11 X 4-1\/2 in Grade 8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION MP39158 is a partially threaded hex head cap screw designed for heavy-duty fastening applications in industrial, mechanical, and structural assemblies. Manufactured from Grade 8 steel with a zinc yellow dichromate finish, this fastener delivers high tensile strength and corrosion resistance in demanding environments. The 5\/8-11 thread size follows the Unified National Coarse (UNC) standard, and the 4-1\/2-inch length under head suits deep-grip clamping applications. Licensed mechanics, millwrights, maintenance technicians, and industrial contractors install this type of fastener where high-strength bolted joints are required. Sold in a package of 10.\u003c\/p\u003e\n\u003cp\u003eThis hex head cap screw is used in heavy equipment assembly, structural steel connections, machine frames, and general industrial maintenance. The partially threaded shank provides a grip length that resists shear forces in bolted joints. The zinc yellow dichromate coating offers a baseline level of corrosion protection suitable for indoor and moderately controlled environments. This fastener meets ASME B18.2.1 dimensional standards, making it appropriate for applications where dimensional conformance to that specification is required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 8 steel construction for high tensile and proof load strength\u003c\/li\u003e\n  \u003cli\u003e5\/8-11 UNC thread form for compatibility with standard hex nuts and tapped holes\u003c\/li\u003e\n  \u003cli\u003ePartially threaded shank provides a bearing surface that resists lateral shear loads\u003c\/li\u003e\n  \u003cli\u003eZinc yellow dichromate finish provides corrosion and oxidation resistance\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B18.2.1 dimensional standards for hex head cap screws\u003c\/li\u003e\n  \u003cli\u003eSold in a 10-piece package to support job-lot quantities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 5\/8-11 UNC hex nuts, washers, and tapped components conforming to inch-series fastener standards. Suitable for any assembly requiring a Grade 8, partially threaded hex head cap screw in the 5\/8-11 x 4-1\/2-inch size.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by mechanics, millwrights, or maintenance technicians using standard hex wrenches or impact tools sized for the appropriate hex drive. Always consult applicable structural or equipment specifications for required clamp load and torque values before installation. Inspect threads on both the fastener and the mating component for damage before assembly. Avoid mixing Grade 8 fasteners with lower-grade nuts or tapped holes not rated for the corresponding load.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/8-11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 4-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC (Unified National Coarse)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreading\u003c\/strong\u003e: Partially Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Grade 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Zinc Yellow Dichromate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensional Standard\u003c\/strong\u003e: ASME B18.2.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 10 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MP39158\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51710195761458,"sku":"MP39158","price":41.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4934231ef9b6efd5459eb4179680c977.jpg?v=1788464157","url":"https:\/\/voomisupply.com\/products\/value-collection-mp39158-hex-cap-screw-5-8-11-x-4-1-2-in-grade-8","provider":"Voomi Supply","version":"1.0","type":"link"}