| Bits | Technical Parameter | Recommended parameters for use | ||||||
| Model | Number of Blade Wings | Main cutting tooth Dia. | Number of nozzles | Diameter preservation length | Connecting thread | Rotational speed
(rpm) |
Drilling pressure
(KN) |
Displacement
(Ips) |
| 17-1/2” | 5 | 19mm | 7 | 2”~3.5” | 6-5/8” REG | 60-250 | 20~210 | 40~55 |
