M3-M12 Stainless Steel Wing Nut 304/316 Grade Butterfly Type Hand Screw Nut No Tool Needed Industrial Connection Nuts

Made of premium 304 and 316 stainless steel, excellent anti-rust and anti-corrosion performance, fit outdoor, damp and long-term working scenes.Classic butterfly wing design, ergonomic shape, you can tighten or loosen it directly by hand without any screwdriver tools.Strictly follow national standard specification, accurate inner thread, smooth screwing, perfectly match standard bolts for stable connection.Thickened wing part ensures strong bearing strength, not easy to bend or crack, durable for repeated disassembly and assembly.Complete sizes M3 to M12, multiple package quantities optional, widely used for household, machinery, equipment quick fastening.Material: 304 Stainless Steel / 316 Stainless SteelProduct Type: Wing Nut / Butterfly NutThread Spec: M3, M4, M5, M6, M8, M10, M12Standard: National StandardFeature: Hand Twist, Tool Free, Rustproof, DurableColor: Silver MetalPackage Quantity: 2Pcs/5Pcs/10Pcs/20PcsFunction: Manual Fastening, Quick Locking ConnectionApplication: Home Use, Machinery, Equipment Assembly, Daily HardwareAdvantage: Easy Operation, Reusable, Time-saving