{"product_id":"value-collection-hfni20370-100bx-serrated-flange-nut-3-8-16","title":"Value Collection HFNI20370-100BX Serrated Flange Nut 3\/8-16","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION HFNI20370-100BX is a serrated flange nut designed for secure fastening in mechanical, structural, and trade installation applications. Sized at 3\/8-16 thread, this nut features an integrated serrated flange that bites into the mating surface to resist loosening under vibration and torque loads. Manufactured from Grade 2 steel with a zinc-plated finish, it provides corrosion resistance suitable for general indoor and light outdoor use. The flange diameter measures 3\/4 inches with a flange height of 0.347 inches. This fastener is installed by HVAC technicians, plumbers, electricians, and general contractors wherever vibration-resistant threaded connections are required.\u003c\/p\u003e\n\u003cp\u003eThis serrated flange nut is used across a wide range of trade applications including equipment mounting, panel assembly, ductwork support hardware, and mechanical system installations. The 3\/8-16 thread size is one of the most common unified coarse thread specifications in North American trade work, making this nut a standard fit for brackets, frames, and mechanical assemblies in both residential and light commercial settings. It is sold in a minimum order quantity of 100 pieces, making it appropriate for stocking or job-lot purchasing.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSerrated flange design grips mating surface to resist loosening under vibration\u003c\/li\u003e\n  \u003cli\u003e3\/8-16 unified coarse thread — one of the most widely used thread sizes in trade work\u003c\/li\u003e\n  \u003cli\u003eGrade 2 steel construction provides reliable strength for general fastening applications\u003c\/li\u003e\n  \u003cli\u003eZinc-plated finish offers corrosion resistance for indoor and light-duty outdoor use\u003c\/li\u003e\n  \u003cli\u003eFlange diameter of 3\/4 inches distributes clamping load over a wider bearing surface\u003c\/li\u003e\n  \u003cli\u003eSold in quantities of 100 for efficient stocking and job-site use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 3\/8-16 unified coarse thread serrated flange nut compatible with any 3\/8-16 threaded fastener application requiring vibration resistance and a flanged bearing surface.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstall using a wrench or socket sized to the 0.551 to 0.562 inch width across flats. Ensure mating threads are clean and free of debris before assembly. The serrated flange is a single-use locking feature — do not reuse the nut in critical applications once it has been torqued and removed. Follow applicable mechanical and structural codes for the specific system being assembled.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNut Type\u003c\/strong\u003e: Serrated Flange Nut\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Grade 2 Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Diameter\u003c\/strong\u003e: 0.750 inches maximum, 0.728 inches minimum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Height\u003c\/strong\u003e: 0.347 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Height\u003c\/strong\u003e: 0.330 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth Across Flats\u003c\/strong\u003e: 0.551 inches minimum, 0.562 inches maximum\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: 0.019 pounds per piece\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 100 pieces\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: HFNI20370-100BX\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51698978783538,"sku":"HFNI20370-100BX","price":3765.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6992e5beaf88b3e9c0c89cf42bce617b.jpg?v=1788370620","url":"https:\/\/voomisupply.com\/products\/value-collection-hfni20370-100bx-serrated-flange-nut-3-8-16","provider":"Voomi Supply","version":"1.0","type":"link"}