Qi Sheng wing nuts are designed for hand tightening, making them suitable for applications that require frequent adjustment or tool-free assembly. They are commonly used in fixtures, light-duty clamping, and equipment covers where quick access is needed.
We can supply wing nuts in multiple thread sizes and finish options to match durability and corrosion requirements. Bulk supply and OEM packaging can be arranged for industrial buyers.
Send your thread size, finish/material preference, and quantity to receive a quotation.

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DIN315 Wing Nuts Butterfly Nut
DIN315 Wing Nuts Butterfly Nut

DIN315 Wing Nuts Butterfly Nut

  1. Complies with ISO 3161, DIN 315, ANSI B18.17; hand-operated quick-lock fasteners
  2. Material: Carbon steel, stainless steel (304), plastic, brass; strength grades 4.8–8.8
  3. Structure: Double wing-shaped head (for hand twisting) + internal coarse/fine thread
  4. Surface treatments: Zinc plating, black oxide, passivation
  5. Size M3–M16 (matches standard bolts)