... rubber steel bonded washer 1,Standard:DIN125,DIN9021,DIN433,DIN6916; 2,From 10-30MM 3,Material,carbon steel,EPDM,SS304 Epdm steel bonded ... 10MM-30MM3,Material:carbon steel,EPDM,stainless steel,brass,rubber.4,Surface finish: a) White,yellow or black zinc, b)Black or gray phosphor, c ... g) Black Oxide,h) Nickel 6,Packing:Cartons,nylon bags,wood box,small box,plastic box,metal box Epdm and steel bonded ...