Flat Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size: ... 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, ... or according to your request.8) For non-standard parts, samples or drawings are avaliable for us.9) Working Process Include: ...