... 45# Steel and 40Cr 3.Color:black,golden,silver 1.Product:Volvo Excavator Bucket Tooth Pin 2.Material:45# steel or 40Cr3. ... Treatment:(1)Flange--Black(2) Electrophoresis--Black,the surface is ... ,Idler Yoke,Roller Guide,Bucket bushing,Bucket pin and so on excavator and bulldozer parts.5.Brand:Komatsu,Hitachi,Caterpillar,Kobelco,Summitomo, ...