China 6 1/4" IADC535 / Rock Drilling Bit / TCI / Tricone Bit / Drill Bit / Mining / Water Well, Find details about China Tricone Bit, TCI from 6 1/4" IADC535 / Rock Drilling Bit / TCI / Tricone Bit / Drill Bit / Mining / Water Well
Basic Specification | |
Size | 6 1/4" |
159 mm | |
IADC Code | 535 |
Pin Connection | 3 1/2" API |
Bearing | Sealed bearing |
Operating Parameters | |
WOB | 13500-33750 Lbs |
RMP | 110-80 |
Air Back Pressure | 0.2-0.4 Mpa |
Formation | Soft formation with low compressive strengths such as shale, soft limestone, dolomite with interlayers and coal ore. |