Place of Origin Hebei, China (Mainland) Brand Name Keruite Model Number 8 1/2"215.9mm Type Tungsten carbide bit Material 15CrNi4Mo Size 8 1/2"tricone palm IADC 417 Nozzles 3PCS Application water well, oilfield, ... Read More
Place of Origin Hebei, China (Mainland) Brand Name Keruite Model Number 8 1/2"215.9mm Type Tungsten carbide bit Material 15CrNi4Mo Size 8 1/2"tricone palm IADC 417 Nozzles 3PCS Application water well, oilfield, ... Read More