{"product_id":"value-collection-d39153-hex-cap-screw-5-8-11-x-3-in-grade-8","title":"Value Collection D39153 Hex Cap Screw 5\/8-11 X 3 in Grade 8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION D39153 is a partially threaded hex head cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. It features a 5\/8-11 UNC thread size and a 3-inch length under head, manufactured from Grade 8 steel for demanding load-bearing use. The zinc yellow dichromate finish provides corrosion resistance and is a standard identifier for Grade 8 fasteners. Compliance with ASME B18.2.1 confirms dimensional accuracy and interchangeability. This screw is installed by maintenance technicians, millwrights, pipefitters, and general contractors working on equipment requiring high-tensile fasteners.\u003c\/p\u003e\n\u003cp\u003eThis cap screw suits a wide range of heavy-duty bolted connections where partial threading is required to create a smooth shank bearing surface between clamped components. Common applications include machinery frames, structural steel connections, HVAC equipment mounting, and industrial equipment assembly. The 5\/8-11 coarse thread pattern provides strong thread engagement in steel and cast-iron tapped holes, making it a reliable choice for both original equipment assembly and field repairs.\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\u003ePartially threaded shank provides a bearing surface for precise clamping\u003c\/li\u003e\n  \u003cli\u003eZinc yellow dichromate finish offers corrosion resistance and Grade 8 identification\u003c\/li\u003e\n  \u003cli\u003e5\/8-11 UNC thread standard ensures wide compatibility with standard nuts and tapped holes\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B18.2.1 dimensional standards for consistent fit and interchangeability\u003c\/li\u003e\n  \u003cli\u003eInch measurement system for use with standard American fastener hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard inch-series hex head cap screw compatible with 5\/8-11 UNC tapped holes and standard heavy hex or finished hex nuts conforming to ASME specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic, millwright, or trades professional using calibrated torque equipment appropriate for Grade 8 fasteners. Always verify that mating threads and tapped holes are clean, undamaged, and free of debris before assembly. Do not substitute a lower-grade nut or tapped material that is incompatible with Grade 8 clamp loads. Follow applicable equipment manufacturer torque specifications and relevant industry standards for the application.\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: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\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\u003c\/strong\u003e: Zinc Yellow Dichromate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement System\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ASME B18.2.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\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: D39153\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51691571052850,"sku":"D39153","price":20.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/cb0c67834fabc33188b0d33e7dd5eed5.jpg?v=1788287146","url":"https:\/\/voomisupply.com\/products\/value-collection-d39153-hex-cap-screw-5-8-11-x-3-in-grade-8","provider":"Voomi Supply","version":"1.0","type":"link"}