... :M3*22*6.5 2.Material:nylon 3.surface finishing:black Nylon washerPicture NameEPDM washerHS code73182100MaterialNBR,EPDM,silicone,NR,Viton/FKM ... ,PTFE CR,ACM,PP,PE,ABS,PVC, carbon steel,Finishplain,black, zinc platedSize10mm-25mmNon-standard PartsAvailableWorking Processcold punching, machining, CNC machinePackingless ...