Applicable to high-altitude operations, air-conditioning installation, curtain installation, monitoring and installation operations.
| Model No. | 8601 |
| Rated voltage | 21V（Lithium） |
| No-load speed | 0-1400r/min |
| Impact times | 0-4550/min |
| Max. drilling diameter | φ22mm（Concrete） |
| Reasonable drilling diameter | φ4-18mm（Concrete） |
| Battery capacity | 6000mAh |
| Charging temperature range | 0-40℃ |
