Flat Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2) ... 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel Flat Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size ... )Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel,Tin Flat Washer1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI, ... 9) Working Process Include: cold punching, and machining, also CNC machine, can do OEM order.10) Experience: we have over than ...