Drifters
HC170 Hydraulic Drifter
- Up to ST68 diameter for both surface and underground drilling
- High energy per blow for maximum penetration rate
- Robust body designed for extreme applications
- Long maintenance intervals and extended wear parts lifespan
- Heavy-duty front guide designed for large diameters rods
- Large diameter holes with very low energy consumption
- Cost-saving drifter: operational costs and cost per cubic meter
- Heavy-duty drifter
- Suitable for large diameter holes
- Very high rotation torque
Weight and dimensions
| Weight | 326.5 kg |
| Overall length without shank | 1,269 mm |
| Overall length with shank | 1,525 mm |
| Overall width | 410 mm |
| Height | 326 mm |
| Height above shank axis | 102 mm |
Impact rating
| Maximum output | 27–28 kW |
| Percussion flow range (max) | 160 l/min |
| Percussion pressure range (max) | 180 bar |
| Maximum impact frequency | 2,460 bpm |
| Maximum impact energy | 510 J |
Rotation specs
| 200 cc | 315 cc | |
| Maximum rotation speed (RPM) | 130 | 130 |
| Oil flow (l/min) | 65 | 80 |
| Maximum pressure (bar) | 220 | 220 |
| Maximum torque (Nm) | 1612 | 2031 |
Flushing flow and pressure
| Water flushing | N/A |
| Front end lubricating air consumption at 3bar | 300 l/min |
- Shank adapters
- Overhaul kits