Square Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size:M3-M76 3)Material ... :Zinc,Black,Nickel SpecificationsSquare Washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size:M3-M76 3)Material: ... Finish:Zinc,Black,Nickel,TinMetal Square Washer1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard2) Size: ... Experience: we have over than 10 years of experiences in producing and supply washers, 80% of our products are ...