{"product_id":"value-collection-318540br-hex-nut-2-1-2-4-grade-2-steel","title":"Value Collection 318540BR Hex Nut 2-1\/2-4 Grade 2 Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 318540BR is a heavy-duty hex nut threaded to a 2-1\/2-4 UNC specification in Grade 2 steel with a bright, uncoated finish. It features a right-hand thread with a 2B fit class, measuring 3.875 inches across the flats and 2-29\/64 inches in height. Manufactured to ASME B1.1 and ASME B18.2.2 standards, this nut is built for structural and mechanical fastening applications where a large-diameter, coarse-thread fastener is required. Installers working with heavy structural assemblies, industrial equipment, or large-diameter threaded rod will find this nut meets standard dimensional and tolerance requirements without supplemental coating or plating.\u003c\/p\u003e\u003cp\u003eThis hex nut is suited for use in general-purpose mechanical and structural applications across industrial, commercial, and trade environments. Its large 2-1\/2-4 UNC thread size makes it appropriate for heavy equipment assembly, structural steel connections, large pipe flanges, and similar high-load fastening scenarios. It is typically installed by millwrights, pipefitters, ironworkers, and general contractors working with oversized threaded fasteners. The bright uncoated finish is appropriate for dry or controlled indoor environments where corrosion protection is not a primary requirement.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2-1\/2-4 UNC right-hand thread for coarse-thread heavy-duty fastening\u003c\/li\u003e\n\u003cli\u003eGrade 2 steel construction with hardness range of 68 HRB to 32 HRC\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish suitable for indoor and controlled-environment use\u003c\/li\u003e\n\u003cli\u003e3.875 inches across flats and 2-29\/64 inches in height for standard hex wrench fit\u003c\/li\u003e\n\u003cli\u003eConforms to ASME B1.1 and ASME B18.2.2 dimensional and tolerance standards\u003c\/li\u003e\n\u003cli\u003e2B thread fit class ensures reliable engagement with mating threaded components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard UNC hex nut for use with 2-1\/2-4 UNC threaded bolts, studs, and threaded rod conforming to ASME B1.1 thread standards.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by qualified tradespeople familiar with large-diameter fastener torque requirements for the specific application and load rating. Always confirm thread engagement and fit class compatibility before assembly. Do not install on damaged or cross-threaded fasteners. Follow applicable ASME or project engineering specifications for torque and preload requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 2-1\/2-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Fit Class\u003c\/strong\u003e: 2B\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 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright \/ Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth Across Flats\u003c\/strong\u003e: 3.875 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 2-29\/64 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 68 HRB - 32 HRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: ASME B1.1, ASME B18.2.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\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: 318540BR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51697863065906,"sku":"318540BR","price":89.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/32cc12a70369798268f2749a26983159.jpg?v=1788355167","url":"https:\/\/voomisupply.com\/products\/value-collection-318540br-hex-nut-2-1-2-4-grade-2-steel","provider":"Voomi Supply","version":"1.0","type":"link"}