Wing nuts are the most convenient fasteners, and we offer the best price, high quality wing nuts. The wing nuts are made by cold forging. And we got the U.S. patent, Taiwan patent of the producing method.
1. M5~M12: (3/16"~1/2" )(IFI) with brass, steel material. 2. Making with cold forging machine. 3. Size: custom size is welcome.