{"product_id":"value-collection-015191pr-hex-socket-cap-screw-1-4-28-unf","title":"Value Collection 015191PR Hex Socket Cap Screw 1\/4-28 Unf","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 015191PR is a hex socket cap screw designed for applications requiring a clean, low-profile fastener with high tensile strength. It features a 1\/4-28 UNF thread size and a 2.25-inch length under the head, making it suitable for medium-depth fastening in precision assemblies. The 3\/16-inch hex drive accepts a standard Allen key or hex bit driver. Constructed from alloy steel with a black oxide finish, this fastener resists corrosion in controlled environments and meets ASME\/ANSI B18.3, ASTM A574, and IFI 124 standards. Partially threaded along the shank, it provides a smooth bearing surface for close-tolerance fits.\u003c\/p\u003e\n\u003cp\u003eThis cap screw is used across a broad range of mechanical, industrial, and equipment-maintenance applications. It is appropriate for machine assembly, equipment enclosures, brackets, and similar structural connections where a recessed hex drive is preferred over a hex head. The 1\/4-28 UNF fine thread pitch provides tighter thread engagement, making it a common choice in metalworking, HVAC equipment frames, electrical enclosures, and light industrial machinery. Installers working in tight clearances will benefit from the socket drive, which allows torque application with minimal surrounding clearance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/4-28 UNF fine thread for tighter thread engagement and vibration resistance\u003c\/li\u003e\n  \u003cli\u003e2.25-inch length under head suits medium-depth fastening applications\u003c\/li\u003e\n  \u003cli\u003e3\/16-inch hex socket drive compatible with standard Allen keys and hex bit drivers\u003c\/li\u003e\n  \u003cli\u003eAlloy steel construction meets ASTM A574 high-strength cap screw requirements\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish provides mild corrosion resistance in indoor and controlled environments\u003c\/li\u003e\n  \u003cli\u003ePartially threaded shank offers a smooth bearing surface for close-tolerance assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard ASME\/ANSI B18.3 hex socket cap screw compatible with any 1\/4-28 UNF tapped hole requiring a 3\/16-inch hex drive fastener.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstall using a 3\/16-inch hex key or hex bit driver; ensure the tapped receiving hole is clean and free of debris before threading. Power down or de-energize any equipment before accessing fastener locations on live electrical or mechanical assemblies. Do not exceed the rated proof load for the 1\/4-28 UNF alloy steel grade; follow applicable equipment manufacturer torque guidelines. Black oxide finish is not a substitute for plated or stainless fasteners in wet or high-humidity environments.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-28 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\u003eDrive Type\u003c\/strong\u003e: Hex Socket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 3\/16 inches\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: 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: 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: 015191PR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51695820276018,"sku":"015191PR","price":483.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d9fc44354b0a28a042d74e113edc496c.jpg?v=1788338512","url":"https:\/\/voomisupply.com\/products\/value-collection-015191pr-hex-socket-cap-screw-1-4-28-unf","provider":"Voomi Supply","version":"1.0","type":"link"}