{"product_id":"value-collection-15403pr-hex-socket-cap-screw-1-2-20-unf","title":"Value Collection 15403PR Hex Socket Cap Screw 1\/2-20 Unf","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 15403PR is a hex socket cap screw designed for high-strength fastening applications in mechanical assembly, tooling, and industrial maintenance. It features a 1\/2-20 UNF thread size, a 2.25-inch length under head, and is driven with a 3\/8-inch hex key. Constructed from alloy steel with a black oxide finish, this fastener delivers strong corrosion resistance and meets the dimensional and mechanical standards of ASME\/ANSI B18.3, ASTM A574, and IFI 124. Partial threading along the shank provides precise clamping force in bolted joint applications. Machinists, millwrights, and maintenance technicians are the primary installers.\u003c\/p\u003e\u003cp\u003eThis screw is suited for use in machine tool fixtures, jigs, dies, and general mechanical assemblies where a high-strength, fine-thread fastener is required. The 1\/2-20 UNF thread pitch is preferred in applications requiring greater thread engagement per inch compared to coarse-thread fasteners, making it common in precision machinery and vibration-prone environments. The black oxide coating reduces surface reflectivity and provides mild corrosion protection in controlled environments. This part is sold individually with a minimum order quantity of 10 units.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1\/2-20 UNF fine thread for precise clamping and stronger thread engagement\u003c\/li\u003e\n\u003cli\u003e2.25-inch length under head with partial threading\u003c\/li\u003e\n\u003cli\u003e3\/8-inch hex drive for use with standard hex keys or Allen wrenches\u003c\/li\u003e\n\u003cli\u003eAlloy steel construction for high tensile strength\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish for mild corrosion resistance and low reflectivity\u003c\/li\u003e\n\u003cli\u003eMeets ASME\/ANSI B18.3, ASTM A574, and IFI 124 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard ASME\/ANSI B18.3 hex socket cap screw suitable for use in machine tool, fixture, and general industrial assembly applications requiring a 1\/2-20 UNF fine-thread fastener.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by machinists, millwrights, or mechanical maintenance technicians using a 3\/8-inch hex key or Allen driver. Ensure the mating threaded hole is clean and free of debris before installation. De-energize and lock out any machinery before servicing fastened assemblies per applicable OSHA lockout\/tagout procedures. Do not exceed the rated mechanical load for the fastener grade when determining torque application.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2-20 UNF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 2.25 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: 3\/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, ASTM A574, IFI 124\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 7.95 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 15403PR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51699797819698,"sku":"15403PR","price":3287.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/667f52cf7e80e0ddce7d346cd2d6d5e5.jpg?v=1788381123","url":"https:\/\/voomisupply.com\/products\/value-collection-15403pr-hex-socket-cap-screw-1-2-20-unf","provider":"Voomi Supply","version":"1.0","type":"link"}