China 7 7/8" IADC Code 725 / Mining Machinery / Water Well / Mining / Rock Drilling Tools / Digging Machine, Find details about China Tricone Bit, TCI from 7 7/8" IADC Code 725 / Mining Machinery / Water Well / Mining / Rock Drilling Tools / Digging Machine
Size | 7 7/8" |
200 mm | |
IADC | 725 |
Pin Connection | 4 1/2" |
Bearing | Sealed Bearing |
Air Back Pressure | 0.2-0.4Mpa |
Formation | Hard and abrasive formations with high compressive strengths |