{"product_id":"value-collection-440048pr-hex-head-cap-screw-1-4-28-x-3-4-in","title":"Value Collection 440048PR Hex Head Cap Screw 1\/4-28 X 3\/4 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 440048PR is a fully threaded hex head cap screw designed for high-strength fastening applications in industrial and mechanical assemblies. It features a 1\/4-28 UNF thread form with a 3\/4-inch length under the head, manufactured from Grade L9 alloy steel for superior tensile strength compared to standard Grade 8 fasteners. The zinc yellow dichromate finish provides corrosion resistance in moderate environments. This screw is installed using a 7\/16-inch hex wrench or socket and is suited for precision mechanical and hydraulic component assembly where fine-thread engagement and high clamp load are required.\u003c\/p\u003e\n\u003cp\u003eThis fastener is suited for use in hydraulic fittings, heavy equipment, tooling fixtures, and industrial machinery where fine-thread UNF fasteners are specified. The fine 1\/4-28 thread pitch delivers greater thread engagement per inch compared to coarse-thread alternatives, making it a common choice in thin-walled assemblies and applications subject to vibration or dynamic loading. Licensed mechanics, millwrights, and maintenance technicians typically source this style of screw for OEM-spec replacement and precision assembly work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade L9 alloy steel construction for high tensile and proof load strength\u003c\/li\u003e\n  \u003cli\u003e1\/4-28 UNF fully threaded profile for maximum thread engagement along the entire shank\u003c\/li\u003e\n  \u003cli\u003eZinc yellow dichromate finish for corrosion and oxidation resistance\u003c\/li\u003e\n  \u003cli\u003e3\/4-inch length under head suits shallow-to-moderate fastening depths\u003c\/li\u003e\n  \u003cli\u003e7\/16-inch hex drive compatible with standard sockets and wrenches\u003c\/li\u003e\n  \u003cli\u003eInch measurement system with UNF thread standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-fit fastener for any application specifying a 1\/4-28 UNF fully threaded hex head cap screw in Grade L9 steel with a 3\/4-inch length under head.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic or maintenance technician using a calibrated torque wrench and the appropriate 7\/16-inch socket or wrench. Always ensure mating threads are clean and free of debris before installation. Apply thread lubricant or thread-locking compound only if called out by the equipment manufacturer. Follow applicable torque specifications from the equipment OEM or relevant fastener standards such as those published by ASME or SAE.\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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 3\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull or Partial Threading\u003c\/strong\u003e: Fully 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: L9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Zinc Yellow Dichromate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHex Key Size\u003c\/strong\u003e: 7\/16 inches\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: 440048PR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51721795928370,"sku":"440048PR","price":5313.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2b50e013fa5b587543b5bf3906cca8a2.jpg?v=1788580962","url":"https:\/\/voomisupply.com\/products\/value-collection-440048pr-hex-head-cap-screw-1-4-28-x-3-4-in","provider":"Voomi Supply","version":"1.0","type":"link"}