{"product_id":"value-collection-d30041-hex-head-cap-screw-5-16-18-x-4-1-2-in","title":"Value Collection D30041 Hex Head Cap Screw 5\/16-18 X 4-1\/2 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION D30041 is a partially threaded hex head cap screw designed for general mechanical fastening applications across the trades. It is manufactured from Grade 5 steel with a zinc-plated finish for corrosion resistance in standard indoor and light-duty outdoor environments. The fastener measures 5\/16-18 thread size with a 4-1\/2 inch length under head, conforming to ASME B18.2.1 standards. Licensed tradespeople and maintenance technicians use this screw in equipment assembly, bracket mounting, and structural fastening tasks requiring a reliable UNC thread pattern.\u003c\/p\u003e\n\u003cp\u003eThis cap screw is suited for residential and light commercial mechanical applications where Grade 5 strength is required. Typical uses include equipment mounting, panel fastening, and machine assembly in HVAC, plumbing, and electrical service environments. The partial thread design provides a grip-length zone for secure clamping between mating surfaces, making it appropriate for through-bolted connections in standard service conditions.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/16-18 UNC thread size for broad compatibility with standard tapped holes and nuts\u003c\/li\u003e\n  \u003cli\u003e4-1\/2 inch length under head for through-bolted and deep fastening applications\u003c\/li\u003e\n  \u003cli\u003eGrade 5 steel construction provides medium-strength tensile performance\u003c\/li\u003e\n  \u003cli\u003eZinc-plated finish offers corrosion resistance in typical service environments\u003c\/li\u003e\n  \u003cli\u003ePartially threaded shank provides a clamping grip zone for secure joint assembly\u003c\/li\u003e\n  \u003cli\u003eConforms to ASME B18.2.1 dimensional standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard UNC hex head cap screw compatible with 5\/16-18 tapped holes, nuts, and threaded inserts in steel, aluminum, and similar substrates following ASME B18.2.1 specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by mechanical, HVAC, or general maintenance technicians using a standard hex socket or open-end wrench sized for a 5\/16-18 fastener. Ensure mating threads are clean and free of debris before installation. Do not overtighten; follow the torque specifications provided by the equipment manufacturer for the specific application. Minimum order quantity for this item is 25 pieces.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-18\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\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 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Zinc-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\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\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: D30041\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51700191723826,"sku":"D30041","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/499a9ae3d1fa60bf705ad4d5cd1009c4.jpg?v=1788387435","url":"https:\/\/voomisupply.com\/products\/value-collection-d30041-hex-head-cap-screw-5-16-18-x-4-1-2-in","provider":"Voomi Supply","version":"1.0","type":"link"}