China 8 1/2" Digging Machine Mining Machinery Water Well Drilling Tools IADC Code 735 Rock Drilling Machine TCI Bit, Find details about China Drilling Bit, Tricone Bit from 8 1/2" Digging Machine Mining Machinery Water Well Drilling Tools IADC Code 735 Rock Drilling Machine TCI Bit
Basic Specification | |
Size | 8 1/2" |
216 mm | |
IADC Code | 735 |
Pin Connection | 4 1/2" API |
Bearing | Sealed bearing |
Operating Parameters | |
WOB | 25500-51000 Lbs |
RMP | 100-60 |
Air Back Pressure | 0.2-0.4 Mpa |
Formation | Medium hard and abrasive formation with high compressive strengths such as limestone, sandstone, dolomite and chert. |