Flat washer, washer: 1)DIN125,DIN9021,DIN433,DIN6916 2)From M1. ... 10 years.We have powerful production system for it. Description: flat washer, washer1) Specification: DIN,ANSI, BS, such as DIN125,DIN9021 ... ,BS4320,BS3410,SAS,and USS and non-standard washers etc2) Size: From M1.6-to M783) Material: Carbon steel, stainless steel ...