China 8 1/2" IADC Code 832 / Tricone Bit / API / Rock Drilling Tools, Find details about China Tricone Bit, TCI from 8 1/2" IADC Code 832 / Tricone Bit / API / Rock Drilling Tools
Basic Specification | |
Size | 8 1/2" inches |
216 mm | |
IADC Code | 832 |
Pin Connection | 4 1/2" API |
Bearing | Open bearing |
Operating Parameters | |
WOB | 42500-68000 Lbs |
RMP | 80-50 |
Air Back Pressure | 0.2-0.4 Mpa |
Formation | Hard and abrasive formation with high compressive strengths such as granite, limestone, sandy sandstone, dolomite and chert. |