Tri-Cone Rock HDD Drill Bit
| Size | Torque Rating (ft-lbs) | Rotational Speed (rpm) | Flow Requirements (gpm @ 1,000 psi) | Operating Range (psi) |
| 3-1/2" | 250 | 80-350 | 20-60 | 350 |
| 4-1/2" | 250 | 80-350 | 20-60 | 350 |
| 4-1/2" | 325 | 70-240 | 40-100 | 500 |
| 5-1/2" | 325 | 70-240 | 40-100 | 500 |
| 6" | 1200 | 180-370 | 100-170 | 350 |
| 7" | 2500 | 105-230 | 140-300 | 600 |
| 8" | 5000 | 70-150 | 200-500 | 500 |