YT23 hand-held air leg drill
| Technical specifications | |
| Type | Y23 |
| Weight | 24 (Kg) |
| Length | 604 (mm) |
| Cylinder dia | φ70 (mm) |
| Piston stroke | 70 (mm) |
| Working pressure | 0.4~0.5 (Mpa) |
| Impact energy | 44.7 (J) |
| Impact frequency | ≥27 (Hz) |
| Air consumption | ≤55 (L/s) |
| Working water pressure | 0.2~0.3 (Mpa) |
| Air pipe inner dia | φ19 (mm) |
| Water pipe inner dia | φ13 (mm) |
| Rock drill hole dia | φ34~φ42 (mm) |
| Rock drill hole depth | 5 (m) |
| Shank size | 22×108 (mm) |