China 9" IADC Code 542 / Mining / Water Well / Drill Bit / Rock Drilling Tools / Digging Machine / Tricone Bit, Find details about China TCI, Rock Drilling Bit from 9" IADC Code 542 / Mining / Water Well / Drill Bit / Rock Drilling Tools / Digging Machine / Tricone Bit
Basic Specification | |
Size | 9" |
229 mm | |
IADC Code | 542 |
Pin Connection | 4 1/2" API |
Bearing | Open bearing |
Operating Parameters | |
WOB | 18000-45000 Lbs |
RMP | 110-80 |
Air Back Pressure | 0.2-0.4 Mpa |
Formation | Medium soft formation with low compressive strengths such as shale, soft limestone, dolomite with interlayers and coal ore. |