The HYCON 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 HYCON HRD20 rock drill and a HYCON powerpack is therefore the best investment on the market.
The rock drill is characterized by a very high performance in relation to weight, and its high quality means long life. The drill rods are hex 22×108 mm, and therefore all standard drills can be used.The rock drill can be connected to a HYCON powerpack or excavators or the like.
Maximum recommended drilling performance is ø45 mm and approx. 3 m deep.Depending on the circumstances, the rock drill can reach a drilling speed of 3½ – 10 cm per minute. For holes deeper than 800 mm it needs additional air supply.
| Rock Drill | HRD30 | HRD28X | |
| Oil flow | l/min | 30 | 30 |
| Working pressure | bar | 130 | 130 |
| Max pressure | bar | 172 | 172 |
| Weight | Kg | 29 | 27.5 |
| Tool chuck size | Hex/mm | 22 x 108 | 22 x 108 |
| Air supply | m³/ m³/min
min |
max. 0.16 | max. 0.16 |
| Vibration leve | m/sec2 | 13 | 13 |