Item:DIN9021 Flat Washers Size:M3-M36 Material:carbon steel,brass,SS Finish:plain,black,blue-white Flat washer DIN9021Related to products: metal washer, round washer, square washer, curved washer,plain washer,spring washer,GI washer, special washer, cup washer.1.Material : galvanized steel,70#,SS304,SS316,Q235B, 45#,50#,65Mn,Brass, copper, Aluminium2.Other Standard: BS4320, Din125, Din9021, ...