Auger Bits ( B47K17,B47K19,B47K22,BFZ70,BFZ80,C31HD,C21HD)
Physical Description: Steel Body, made by material 40Cr or 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and wearable character. Tip is made from Low press Sintered, and Suitable ...