... ,GB,ANSI 2) Size: M3-M76 3) Type:flat,plain,square,cup washer 4)High quality and low price 1) Standard: DIN, BS, IFI ... , Alloy Steel, Stainless Steel, Brass, Aluminum, etc.4) Finish: Zinc Clear, Zinc Yellow, Black, Nickel-plating, Tin-plating, Chrome- plating, Dacromet,Mechanical ...