| Details | Value |
|---|---|
| Length (Without Bit) | 1330mm |
| Weight (Without Bit) | 171Kg |
| External Diameter | Ø185mm |
| Bit Shank | QL80 |
| Hole Range | Ø195- Ø254 |
| Connection Thread | API 4 1/2″ Reg |
| Working Pressure | 1.0-3.0Mpa |
| Recommended Rotation Speed | 15-25r/min |
| Advantages |
|---|
| » High Performance in hard and soft formations » Spares and services locally available » Faster drilling speed and lower air consumption » Fewer internal parts » All parts heat treated |