high hardness flat washer

        There are many different specifications of DIN Flat Washer  in our factory. Among of them, M8 Flat washer is very hot sale, we sometimes use strict production technology and strictly according to the German Standard . Our Flat washer , its Grade can reach Level A2-70 or A4-80. Besides, we also produce ASTM standard fastener products, such as , DIN933 Hex Bolt, DIN934 Hex Nuts. But, as for flat washer, it contains many beneficial chemical components, these chemical components all follow the production standard. After production finished, we often make flat washer become more bright and plain, especially by cleaning and passivate them.

Product Categories : Washers > Flat Washer