... :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, ... as your samples and drawings. high quality with best price, on time delivery.4. The copper washer is made of excellent red ...