of the tricone bit can be maintained a little bit more complex: a little bit of the beginning is not simple
Tricone bit production process in the diameter of a lot of consistent: in the consistent and good chip type
The diameter of the tricone bit is also good in terms of diameter protection: in good very good chip in th
Bit water hole, make full use of the hydraulic power of the bit, so that high-speed liquid directly shot to the bottom of the well, fully remove the bottom of the well debris, improve the drilling efficiency of the important organ