... Washer: 1.Material:copper,steel,rubber 2,Temperature:-60 to 500C 3.Standard:JIS,UNI,DIN,ASTM,GB 4 ... *11 and supply OEM, ODM service according to your requirement. If you want more detailed ... 7989, 9021),BA,NFE,JIS,and according to customers' requirements.3.Material:Carbon steel,45#,65Mn,stainless steel,brass ... ,copper4.Finish:Plain;black; zinc plated(Cr,3+);zinc plated(Cr,6+); hot dipped galvanized; ...