1)DIN1440 Flat washer 2)Size:M3-M80 3)Material:Carbon Steel, Alloy Steel, ... , DIN433, DIN440,DIN7349, DIN988, ASME B18.22.1,IFI flat washer:USS,SAE,F4365)Surface: Zinc blue/Clear, Zinc Yellow, Zinc ... to your requirement Our washer rang as below:Flat Washer, Split Lock Washer, Toothed Lock Washer, Taper Washer, Square Washer,non-standard washer ect. For non-standard ...