Zinc plated steel flat washer DIN125A standard or customized Metric size M3, M4, M6 to M42 Steel or stainless steel options Steel zinc plated ... 3/16 to 2 inch2. Standard: DIN125, DIN126, DIN127, DIN9021 ISO7089, ISO7090, ANSI B18.22.1, JIS, BS Or customized dimentions3. ... Material options: CS, SS, BRASS, Nickle, EPDM, Rubber, etc.4. Steel Surface Treatment: ...