... ,ISO,ASME,JIS,BS many size available WASHER/GASKET1. Material: copper,brass,aluminum,steel and other required materials2. Standard: DIN125,DIN127 ... samples and drawings. high quality with best price, on time delivery.4. The copper washer is made of excellent red copper sheet, it has good ... days after deposit10. OEM service can be available if need high quality copper washer