... Body, made by material ASTM4142 or 42CrMo, heat treatment with Auger tooth / teeth, digger tooth, digger teeth. (SBW 35,SB120,SB 80,SB ... steel Body, made by material ASTM4142 or 42CrMo, heat treatment with 48-52HRC hardness, has high toughness and wearable character. Tip ... , a long service life and short tool changing times. Together with the parts supply assurance, a high daily production volume, and ...