Electroplating processing: trivalent zinc / trivalent blue multicolored / hexavalent multicolored / nickel plated / blackened / trivalent black zinc
Dimensions: Internal Toothed Washers, external Toothed Washers, internal tooth heavy duty Washers, external tooth heavy duty Washers, Pinghua Washers, spring washer.
The outer toothed washer extends radially outward into the surface to be fixed. This gasket is particularly effective as a lock washer when used with a soft substrate such as aluminum or plastic.