Flat washer, washer: 1)DIN125,DIN9021,DIN433,DIN6916 2)From M1.6 to ... expert in the field of metal product, especially varius of washer for more than 10 years.We have powerful production system ... for it. Description: flat washer, washer1) Specification: DIN,ANSI, BS, such as DIN125,DIN9021,DIN433 ...