Enhanced Betek Model Medium Hard Rock B47K Drilling Bit (F55-9T) for Bore Piling
China Enhanced Betek Model Medium Hard Rock B47K Drilling Bit (F55-9T) for Bore Piling, Find details about China Auger Bit, B47K22h Teeth from Enhanced Betek Model Medium Hard Rock B47K Drilling Bit (F55-9T) for Bore Piling