... Teeth Pin and Lock for Doosan Excavator 2.Material:45# steel or 40Cr3.Treatment:(1)Flange--Black(2) Electrophoresis--Black,the surface is better ... ,Kobelco,Summitomo,Hyundai,Daewoo,Volvo,Samsung,Sunward,Kato,Mitsubishi,Ihisce and so on.6.Product:Workshop:7.Catalogue: CATERPILLARCAT55CAT70BCAT110BCAT120BCAT200BCAT307CAT312CAT320CAT325CAT330 KOMATSUPC20PC30PC40PC50PC60PC75PC100-1PC100 ...