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 |
See the rest of our sinker drills and pair it with the matching bars rods. The rock drill buyer’s guide walks through choosing the right one. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
