{"product_id":"value-collection-581738br-hex-socket-cap-screw-3-4-16-unf","title":"Value Collection 581738BR Hex Socket Cap Screw 3\/4-16 Unf","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 581738BR is a hex socket cap screw designed for high-strength bolted connections in mechanical, structural, and industrial assembly applications. It features a 3\/4-16 UNF thread and a 4-inch length under head, with partial threading to suit applications requiring an unthreaded grip section. The 5\/8-inch hex drive accepts a standard hex key or socket driver. Manufactured from alloy steel with a black oxide coating, this fastener meets ASME\/ANSI B18.3 and ASTM A574 standards, making it appropriate for demanding load-bearing and close-tolerance installations.\u003c\/p\u003e\n\u003cp\u003eThis screw is suited for machinery assembly, tooling fixtures, hydraulic components, and general industrial fastening where a low-profile cap head and precise thread engagement are required. The 3\/4-16 UNF fine-thread pitch provides superior holding strength and resistance to loosening under vibration compared to coarse-thread equivalents. It is commonly installed by machinists, millwrights, pipefitters, and maintenance technicians in commercial and industrial settings.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4-16 UNF fine thread for high clamp load and vibration resistance\u003c\/li\u003e\n  \u003cli\u003e4-inch length under head with partial threading for unthreaded grip section\u003c\/li\u003e\n  \u003cli\u003e5\/8-inch hex socket drive compatible with standard hex keys and socket drivers\u003c\/li\u003e\n  \u003cli\u003eAlloy steel construction meets ASTM A574 for high tensile strength\u003c\/li\u003e\n  \u003cli\u003eBlack oxide coating provides mild corrosion resistance and reduces glare\u003c\/li\u003e\n  \u003cli\u003eConforms to ASME\/ANSI B18.3 dimensional standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-fit fastener for 3\/4-16 UNF threaded holes requiring a hex socket cap screw per ASME\/ANSI B18.3 and ASTM A574 specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by machinists or qualified maintenance technicians using a calibrated torque wrench with a 5\/8-inch hex bit to achieve proper clamp load without overloading the thread. Always verify the mating thread condition and clean the hole before installation. Do not install into a hole with a damaged or mismatched thread class. De-energize and lock out all equipment per applicable safety procedures before servicing any assembly containing this fastener.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/4-16 UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreading\u003c\/strong\u003e: Partially Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: Hex Socket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Alloy Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black Oxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: ASME\/ANSI B18.3 and ASTM A574\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 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: 581738BR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51698051907890,"sku":"581738BR","price":71.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e747a03cb0af98eccca00da333f8646f.jpg?v=1788357172","url":"https:\/\/voomisupply.com\/products\/value-collection-581738br-hex-socket-cap-screw-3-4-16-unf","provider":"Voomi Supply","version":"1.0","type":"link"}