... 1)Name:Washers 2)Size:M3-M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel,Tin 5)ISO9001-2008 ... hand in hand for a better future.details of productFlat Steel Washer1) Standard: DIN, BS, IFI, JIS, ISO,GB, ... Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, Aluminum, etc.4) Finish: Zinc Clear, Zinc Yellow, Black, Nickel-plating, Tin-plating, Chrome- plating, Dacromet,Mechanical ...