Square Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size:M3-M76 3)Material:Steel, ... 4)Finish:Zinc,Black,Nickel SpecificationsSquare Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size:M3-M76 3)Material:Steel ... ,TinMetal Square Washer1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard2) Size: M3–M763) Material: Carbon Steel, Alloy Steel ...