The RH 658 is slightly heavier and more powerful than its little sister. That means it can drill deeper. All RH-models have built in air flushing. A direct air flow within the drill steel removes drill chippings and prevents the drill from jamming.
| Parameter | Metric | US Conversion |
|---|---|---|
| Rock drill type | Surface rock drill | |
| Hole range | 29-40 mm | 1.14 to 2 in |
| Weight | 24 kg | 52.9 lb |
| Length | 565 mm | 22.24 in |
| Air consumption | 58 L/s | ~123 CFM |
| Impact rate | 2,040 blows/min | 2,040 BPM |
| Revolutions | 215 rpm | 215 rpm |
| Penetration rate | 425 mm/min | 16.7 in/min |
| Hose connection | 19 mm | 3/4 in |
| Piston diameter | 65 mm | 2.56 in |
| Stroke length | 59 mm | 2.32 in |
