... , made by material ASTM4142 or 42CrMo, heat treatment with Auger tooth / teeth, digger tooth, digger teeth. ... made by material ASTM4142 or 42CrMo, heat treatment with 48-52HRC hardness, has high toughness and wearable ... service life and short tool changing times. Together with the parts supply assurance, a high daily ... according to customer's requirement. auger teeth/bit(SBW 35,SB120,SB 80,SB 35,SB ...