Model TCI Tricone drill bit IADC Code 517 Available size 7 1/2INCH Thread Connection 4 1/2REG Material 15CrNi4Mo WOB(KN/MM) 0.70~1.20 RPM(r/min) 70~40 Advantage Most favorable price and best quality Bearing ... 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 517 Nozzles 1PCS Application water well, oilfield, ... Read More
