Zinc plated steel flat washer DIN125A standard or customized Metric size M3, M4, M6 ... M3 to M42 metric, 3/16 to 2 inch2. Standard: DIN125, DIN126, DIN127, DIN9021 ISO7089, ISO7090, ANSI B18.22.1, ... , BRASS, Nickle, EPDM, Rubber, etc.4. Steel Surface Treatment: Plain, Zinc plated, Yellow Zinc Hot dipper Galvanizing Brass coated5. Inch ... for Immediately shipent DIN125A standard carbon steel flat washer