... Steel, Stainless Steel, etc. 3)Size:M3-M64 contact us for more details4)Specification:DIN9021, DIN125, DIN126, DIN433, DIN440,?DIN7349, DIN988 ... .1, IFI5)Surface: Zinc Clear, Zinc Yellow, Zinc Black, Tin-plating, Nickel-plating, Dacromet,Mechanical Galvanizing, Hot-dip Galvanizing.etc. Our washer rang ...