flange nut / lock nut / square / wing
Detailed Product Description
1)nut standard:flange nut,din6923 / lock nut / square / wing
2)class:4,6,8,10.
3)surface:plain, black,H.D.G,ZINC ......
4)material:carbon steel,brass,35#,45#....
5)package:bulk packing,small boxes,pocket,as your requirement