din hex nut
Detailed Product Description
1)different types of hex nut
2)standard:DIN 934,936,555,439,6915,6923,
3)class:4,6,8,10.
4)surface:plain, black,H.D.G,ZINC ......
5)material:carbon steel,35#,45#....
6)package:bulk packing,small boxes,pocket,as your requirement