{"product_id":"value-collection-314790br-heavy-hex-nut-2-1-2-4-unc","title":"Value Collection 314790BR Heavy Hex Nut 2-1\/2-4 Unc","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 314790BR is a heavy hex nut manufactured from A194 Grade 2H steel with a bright, uncoated finish. Designed for large-diameter bolted assemblies, this nut features a 2-1\/2-4 UNC thread size with a right-hand thread direction and a 2B thread fit class per ASME B1.1. The wider, thicker profile of a heavy hex nut provides greater bearing surface and load distribution compared to a standard hex nut, making it well-suited for high-load structural and industrial fastening applications. Licensed trades and industrial maintenance professionals select this nut when joint integrity and clamping force under sustained load are critical requirements.\u003c\/p\u003e\u003cp\u003eThis heavy hex nut is used in structural bolting, pressure vessel assembly, flange connections, and heavy equipment fabrication where ASME B18.2.2 compliant fasteners are specified. Its A194 Grade 2H designation makes it a common choice for high-temperature and high-pressure bolted joint applications such as those found in industrial piping, petrochemical, and power generation systems. It is sold individually and is intended for professional installation contexts requiring verified grade and dimensional compliance.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eA194 Grade 2H steel construction with hardness range of 95 HRB to 35 HRC for high-load applications\u003c\/li\u003e\n\u003cli\u003e2-1\/2-4 UNC right-hand thread with 2B fit class per ASME B1.1\u003c\/li\u003e\n\u003cli\u003eHeavy hex profile at 3-7\/8 inches across flats and 2-29\/64 inches height for increased bearing area\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish suitable for environments where post-installation coating or galvanizing will be applied\u003c\/li\u003e\n\u003cli\u003eMeets ASME B18.2.2 dimensional standards for heavy hex nuts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a heavy hex nut replacement or new-installation fastener for 2-1\/2-4 UNC threaded rod, stud bolt, or bolt applications requiring ASME B18.2.2 compliance and A194 Grade 2H material specification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by millwrights, pipefitters, ironworkers, or mechanical contractors working on bolted flange or structural connections. Always de-energize, depressurize, and isolate the system before disassembling or reassembling any bolted joint. Use calibrated torque tooling and follow the applicable joint assembly specification for the mating fastener and gasket system. Do not mix grades or thread standards within the same bolted assembly.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNut Type\u003c\/strong\u003e: Heavy Hex Nut\u003c\/li\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: A194 Grade 2H\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: 3-7\/8 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: 95 HRB - 35 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\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 314790BR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51714179531058,"sku":"314790BR","price":44.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5a47676281cc58094968c98d127f855b.jpg?v=1788497282","url":"https:\/\/voomisupply.com\/products\/value-collection-314790br-heavy-hex-nut-2-1-2-4-unc","provider":"Voomi Supply","version":"1.0","type":"link"}