1.Material:Copper and Brass or others 2.Shape:Ring Gasket 3. ... or Nonstandard:Standard 4.OEM Service:Available High Accuracy Brass Copper Bronze WashersBrass Copper Bronze Washers Specifications1) Standard: ... ASME/ASTM,JIS,BS,non standard,etc 2) Material:Brass,copper,bronze(H59,H62,H683) High quality, high ... ISO,ASME/ASTM,JIS,BS,non standard,etc3) Material:Brass,copper,bronze(H59,H62,H68,etc)4) All ...