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- Up to six inch bits for both surface and underground drilling
- Highest energy per blow in the Montabert drifter series
- 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
OVERVIEW
- Super heavy-duty drifter
- Suitable for the largest diameter holes
- Highest rotation torque in its class
SPECIFICATIONS
Weight and dimensions
| Weight | 418 kg |
| Overall length without shank | 1,408 mm |
| Overall length with shank | 1,646 mm |
| Overall width | 410 mm |
| Height | 331 mm |
| Height above shank axis | 102 mm |
Impact rating
| Maximum output | 25–30 kW |
| Percussion flow range (max) | 180 l/min |
| Percussion pressure range (max) | 195 bar |
| Maximum impact frequency | 2,340 bpm |
| Maximum impact energy | 640 J |
Rotation specs (200 cc)
| Maximum rotation speed (RPM) | 125 |
| Oil flow (l/min) | 80 |
| Maximum pressure (bar) | 200 |
| Maximum torque (Nm) | 1850 |
Flushing flow and pressure
| Water flushing | N/A |
| Front end lubricating air consumption at 3bar | 300 l/min |