HRD20 Rock Drilll
The HRD20 Rock Drill is the only tool on the market with built-in air flushing and 4 different settings of blow frequency and rotations. The investment in a HRD20 rock drill and hydraulic powerpack is therefore best investment on the market.
The drill rods are hex 22x108mm, and therefore all standard drills can be used.
The HRD20 rock drill can be connected to a powerpack or excavators or the like.
Maximum recommended drilling performance is 45mm diameter and approximately 3m deep.
Depending on the circumstances, the rock drill can reach a drilling speed of 3 1/2-10cm per minute.
Technical Data
| Weight, kg | 20 |
| Oil flow, l.p.m. | 25-30 |
| Working pressure, bar | 115 |
| Max. pressure, bar | 150 |
| Tool chuck size, mm hex | 22x108 |
| Rotation | Counterclockwise |
| Air supply | max. 0.08 m2/min./2 bar |
| Noise level 1 m Lpa dB | 95 |
| Noise level Lwa dB | 107 |
| Vibration level, m/s2 | 23.6 |
Features
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