Wing bolt also be called as Butterfly bolt which is specially designed for the convenience of hand screwing operation. The butterfly design of the head increases the lateral stress surface, making the hand screwing more efficient. It is mainly used in the display industry, white home appliances, brown home appliances, telecommunications and data communication, automobile industry and other equipment that need both insulation and frequent dis-assembly and maintenance.


Haiyan bolt produce both carbon steel and stainless steel wing bolt.

Wing bolt description:

Brand name: HB(HAIYAN BOLT)

Standard: DIN319, Open to customized.

Grade: GR2, GR5, 4.8, 8.8, A2, A4

Material : carbon steel, stainless steel 304 and 316

Size: M6 to M20, 1/4” to 3/4 inch

Processing: Hot forging.

Supply ability: 80 tons.

Packing: cartons with plywood pallet.