flat washers 1)Standard: DIN,IFI,JIS, ISO,GB,ANSI etc. 2)Material:Carbon Steel,Stainless Steel,Brass etc. 3)Accept customizat Specifications of Flat Washers: 1 Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard2 Size: M3–M763 Material: 1) Carbon Steel 2) Alloy Steel 3) Stainless Steel 4) Brass,copper ,bronze 5) Aluminum etc.4 Finish: 1) Zinc Clear 2) Zinc Yellow 3) Black 4) Nickel-plating ...