{"product_id":"value-collection-3728mww-serrated-flange-bolt-3-8-16-unc","title":"Value Collection 3728MWW Serrated Flange Bolt 3\/8-16 Unc","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 3728MWW is a serrated flange bolt designed for general fastening applications where a built-in bearing surface and anti-loosening grip are required. Sized at 3\/8-16 UNC with a 1-3\/4 inch length under head, this bolt is fully threaded from tip to flange face. It is manufactured from AISI C1022 Grade 2 steel and finished with a zinc plating for basic corrosion resistance. The integrated serrated flange eliminates the need for a separate lock washer by biting into the mating surface as the fastener is driven, providing resistance to vibration-induced loosening. Installers in HVAC, plumbing, electrical, and mechanical trades reach for this style of bolt when assembling panels, brackets, and equipment frames.\u003c\/p\u003e\n\u003cp\u003eThis serrated flange bolt is suited for light-duty to medium-duty structural and mechanical assembly in both residential and commercial applications. Common install scenarios include securing equipment mounting brackets, sheet metal frames, junction boxes, and support structures where a hex-drive fastener with a self-locking flange face provides assembly efficiency. The fully threaded shank allows maximum thread engagement across the full grip length, making it practical when clamping thin materials or when threading into short blind holes.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8-16 UNC thread size with 1-3\/4 inch fully threaded shank for full grip engagement\u003c\/li\u003e\n  \u003cli\u003eIntegrated serrated flange diameter of 0.771 to 0.793 inches distributes load and resists loosening without a separate washer\u003c\/li\u003e\n  \u003cli\u003eGrade 2 AISI C1022 steel construction provides adequate tensile strength for general mechanical assembly\u003c\/li\u003e\n  \u003cli\u003eZinc-plated finish offers baseline corrosion protection in dry indoor environments\u003c\/li\u003e\n  \u003cli\u003eHex drive compatible with standard hex sockets and wrenches for fast installation\u003c\/li\u003e\n  \u003cli\u003eFully threaded design maximizes thread contact when fastening thin stock or short-depth tapped holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 3\/8-16 UNC serrated flange bolt suitable for use in any application calling for a Grade 2 fully threaded hex flange fastener in the inch measurement system.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed using a standard hex socket or open-end wrench sized for a 3\/8-inch hex drive fastener. Ensure the mating surface is clean and free of debris so the serrated flange can seat properly and engage its anti-loosening feature. Do not use an additional lock washer under the flange, as this will prevent the serrations from contacting the work surface. Follow applicable torque guidelines from the equipment manufacturer or relevant mechanical codes when torque values are specified for the assembly.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 1-3\/4 inches\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\u003eFlange Type\u003c\/strong\u003e: Serrated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Diameter\u003c\/strong\u003e: 0.771 to 0.793 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: Hex\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\u003eStandard\u003c\/strong\u003e: AISI C1022\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Zinc-Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 1.66 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: 3728MWW\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51709969400114,"sku":"3728MWW","price":3926.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f8ca656e8c736c44ed8b4bf51cefa56a_9fdd08a6-a8e4-408f-a7d6-13eb9b8e7145.jpg?v=1788462663","url":"https:\/\/voomisupply.com\/products\/value-collection-3728mww-serrated-flange-bolt-3-8-16-unc","provider":"Voomi Supply","version":"1.0","type":"link"}