... / teeth, digger tooth, digger teeth. (SBW 35,SB120,SB 80,SB 35,SB 40,SB 70,SB 25...)Alloy steel Body, made by material ASTM4142 ... or 42CrMo, heat treatment with 48-52HRC hardness, has high ... to customer's requirement. auger teeth/bit(SBW 35,SB120,SB 80,SB 35,SB 40,SB 70,SB 25)