... -M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel SpecificationsSquare Washer 1)Standard:DIN,ANSI,BS,JIS, ... :M3-M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel,TinMetal Square Washer1) Standard: DIN, BS, IFI, JIS ... Steel, Brass, Aluminum, etc.4) Finish: Zinc Clear, Zinc Yellow, Black, Nickel-plating, Tin-plating, Chrome- plating, Dacromet,Mechanical Galvanizing, Hot ...