Zinc plated steel flat washer DIN125A standard or customized Metric size M3, M4, M6 ... to M42 Steel or stainless steel options Steel zinc plated flat washers1. Size: M3 to M42 metric, 3/16 ... customized dimentions3. Material options: CS, SS, BRASS, Nickle, EPDM, Rubber, etc.4. Steel Surface Treatment: Plain, Zinc plated, Yellow ... ready for Immediately shipent DIN125A standard carbon steel flat washer