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Doofor DF430X rock drill is a high-frequency rock drill for general excavations, quarrying and bolting with hexagonal shank steels with a shank size of 108mm [4 ¼”] * 22mm [7/8”] or 25mm [1”]. The rock drill has a female hexagonal chuck. The rock drill has a through-piston flushing tube.
Light piston models DF410X and DF420X for limited oil flow platforms and for small hole diameters are available.
41 MM
5 KW
7/8? 1?
AIR/WATER
| Nominal power class | 5 kW |
| Percussion pressure | 120 bar |
| (Percussion oil-flow) | (45 litres/min) |
| Rotation motor* | 20 cm3 |
| Speed max. | 180-300 rpm |
| Torque* | 100 Nm |
| Oil flow* | 15 litres/min (max 25 litres/min) |
| Gear ratio | 47/17 |
| Lubrication | Air-oil mist, min. 125 g/h |
| Flushing air pressure. | 5-8 bar |
| Flushing air flow | 700-1200 litres/min |
| Flushing water flow | 15–30 litres/min |
| Weight | 41 kg |
*) Rotation torque and oil flow values are for 20 cm³ rotation motor with intermittent pressure of 140 bar. Optional rotation motors are 8 cm³, 12.5 cm³, 20 cm³, 32 cm³ and 40 cm³. See the brochure for the full specifications.