{"product_id":"value-collection-hfni20310-100bx-serrated-flange-nut-5-16-18","title":"Value Collection HFNI20310-100BX Serrated Flange Nut 5\/16-18","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION HFNI20310-100BX is a serrated flange nut designed for secure fastening in mechanical, HVAC, plumbing, and general trade applications. The integrated serrated flange distributes clamping load across a wider bearing surface while the serrations bite into the mating material to resist vibration-induced loosening without a separate lock washer. Manufactured from Grade 2 steel with a zinc-plated finish for basic corrosion resistance, this nut carries a 5\/16-18 UNC thread and a nominal flange diameter of 0.68 inches with a flange height of 0.283 inches.\u003c\/p\u003e\n\u003cp\u003eThis serrated flange nut is suited for residential and light commercial assembly work where a reliable, vibration-resistant connection is needed on 5\/16-18 threaded fasteners. Typical applications include equipment mounting, ductwork and bracket assembly, electrical enclosure hardware, pump and motor mounting, and general sheet-metal or structural fastening tasks encountered in HVAC, plumbing, and electrical trades.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSerrated flange locks against loosening from vibration without a separate washer\u003c\/li\u003e\n  \u003cli\u003eGrade 2 steel construction provides adequate strength for general trade fastening\u003c\/li\u003e\n  \u003cli\u003eZinc-plated finish offers basic corrosion protection in dry and mildly humid environments\u003c\/li\u003e\n  \u003cli\u003e5\/16-18 UNC thread size fits a wide range of standard bolts and threaded rod\u003c\/li\u003e\n  \u003cli\u003eWide flange bearing surface reduces the risk of pull-through on thin or soft substrates\u003c\/li\u003e\n  \u003cli\u003eInch measurement system for compatibility with standard US trade tooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard replacement or new-installation serrated flange nut for any 5\/16-18 UNC threaded fastener application requiring an integrated locking flange.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by hand-threading onto a 5\/16-18 male fastener and torquing with a wrench sized to 0.489 to 0.500 inches across flats. De-energize or shut down equipment before accessing fastener locations on live mechanical or electrical assemblies. Do not reuse serrated flange nuts that show deformed serrations, as the locking action may be compromised. Follow applicable codes such as NEC or IFGC for hardware used in electrical or gas-related assemblies.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-18 UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNut Type\u003c\/strong\u003e: Serrated Flange\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: Zinc-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Diameter (Nominal)\u003c\/strong\u003e: 0.68 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Flange Diameter\u003c\/strong\u003e: 0.66 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Flange Diameter\u003c\/strong\u003e: 0.68 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Height\u003c\/strong\u003e: 0.283 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Height\u003c\/strong\u003e: 0.268 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Height\u003c\/strong\u003e: 0.283 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Width Across Flats\u003c\/strong\u003e: 0.489 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Width Across Flats\u003c\/strong\u003e: 0.500 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: 0.0125 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161712\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: HFNI20310-100BX\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51693476249906,"sku":"HFNI20310-100BX","price":2452.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3de89f97595e28adb41258fbceb8cf2a.jpg?v=1788312965","url":"https:\/\/voomisupply.com\/products\/value-collection-hfni20310-100bx-serrated-flange-nut-5-16-18","provider":"Voomi Supply","version":"1.0","type":"link"}