... 2)Size:M3-M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel Flat Washer1) Standard: DIN, BS, IFI, JIS, ISO ... Steel, Alloy Steel, Stainless Steel, Brass, Aluminum, etc.4) Finish: Zinc Clear, Zinc Yellow, Black, Nickel-plating, Tin-plating, Chrome- plating, Dacromet ...