powerdrillingtools.com

The surface of the stratum is mostly covered by loose materials, such as soil, clay, weathered rock, sand and stone particles, etc. It can drill above formation with its simple structure, easy operation and reliable performance.

1、High quality forging technology can improve the fatigue strength of the bit trousers, 2、High quality carbide and ......

RC drilling tools offer a cost effective heavy duty sampling system for obtaining continuous, high quality geological samples. M a ximizing energy output and minimizing air consumption, environmentally,good cutting flushing,thereby combining excellent drilling performance,usually applied in mineral ......