washer/gasket: Material:copper,brass,aluminum,steel Standard:DIN125,DIN127,ISO,ASME,JIS,BS many size available WASHER/GASKET1. ... Material: copper,brass,aluminum,steel and other required materials2. Standard: DIN125,DIN127,ISO,ASME,JIS,BS3. Size: metric size and imperial ... be available, and can produce as your samples and drawings. high quality with best price, on time delivery.4. The copper washer ...