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Wing Nut
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Wing Nut

Last Updated: July 25, 2026

Starting From 48Rs/Pcs

A wing nut, also commonly known as a butterfly nut, is an internally threaded fastener characterized by two large, flat metal "wings" extending outward from its central body. It works by screwing onto male-threaded bolts or studs using simple thumb and finger leverage, completely eliminating the need for wrenches, sockets, or power tools. The ergonomic wing profile allows operators to tighten or loosen mechanical connections rapidly by hand. Wing nuts are essential quick-adjustment fasteners for equipment access panels, temporary scaffolding bracing, pressure vessel inspection covers, and frequently serviced industrial assemblies.

Technical Specifications of Wing Nut In India

Size / Thread Range M3 to M24 (Metric) / #4 to 1" (Imperial standard)
Thread Pitch UNC, UNF, Metric Coarse, Metric Fine
Specification (All sizes available)
Wing Nut Styles / Types Type D Light Duty (Stamped Sheet Metal), Type A Heavy Duty (Cold Forged / Cast), Washer-Faced Wing Nut, High-Wing Nut (Extra Leverage), Wing Screw / Thumb Screw
Specification (All sizes available)
Material Grades Carbon Steel: IS 2062, Class 4, 6, 8, ASTM A307
High-Strength Alloy Steel Class 8.8, 10.9, ASTM A193 B7/B7M
Stainless Steel AISI 304 (A2-70/80), AISI 316 (A4-70/80), 316L, 321, 347, Duplex 2205
High Nickel Alloy & Non-Ferrous Monel 400/K500, Inconel 600/625, Hastelloy C22/C276, Brass, Malleable Iron, Aluminum
Specification (All Grades available)
Standards & Specifications DIN 315, ASME/ANSI B18.6.X, IS 2636, ISO 965
Surface Finish Plain Black / Oiled, Electro-Zinc Plated, Hot-Dip Galvanized (HDG), Yellow Zinc Passivated, Bright Electro-Polished (SS), Nickel Plated, Chrome Plated
Origin Indian / Imported

Sourcing Terms & Timeline

Payment Terms

Letter of Credit / Bank Transfer / Advance

Delivery Package

Mill Test Certificate (MTC) + Inspection Reports

Standard Delivery

2-5 Working Days in Maharashtra region

Custom Cuts Support

Custom length cutting & shearing facilities available

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Benefits and Application of Wing Nut

Benefits

  • Tool-Free Manual Operation: Ergonomic wing extensions enable swift hand-tightening and manual release without requiring wrenches or specialized assembly tools, drastically reducing setup and teardown time.

  • Rapid Maintenance Access: Ideal for access covers, filter housings, and shielding panels that demand frequent opening for cleaning, inspection, or filter media replacement.

  • Versatile Manufacturing Styles: Available in cold-forged, die-cast, and heavy-duty stamped variations to balance weight, cost, and high-torque mechanical strength requirements.

    Applications

    Wing nuts are extensively specified across industrial processing, manufacturing equipment, and field infrastructure where rapid, tool-free access is necessary. In chemical processing complexes and food processing facilities, Stainless Steel (316/316L) wing nuts secure pressure vessel inspection ports, liquid filter housings, and strainers that undergo routine daily washdowns and media changes. Industrial machinery builders and HVAC ducting fabricators utilize zinc-plated carbon steel wing nuts to fasten equipment guard covers, air handling access doors, and filter racks for rapid maintenance. Stage lighting technicians, temporary structural scaffolding contractors, and modular display builders rely on heavy-duty forged steel wing nuts for quick manual clamping of support trusses and framing clamps. Additionally, marine engineering applications and boat deck fittings employ corrosion-proof Duplex and Stainless Steel wing nuts on waterproof hatch covers, battery tie-downs, and outboard motor mounts to maintain firm, tool-free clamping that resists continuous saltwater exposure.

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Procurement Network

Supplying to top industrial contractors

VIVEK INDUSTRIES APEX INFRASTRUCTURE MUMBAI METRO METALLICS GODREJ METALS TATA INFRA
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