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The Series of pneumatic rock drills are mainly used in mines,railway,water irrigation works and quarrying works and quarrying works to drill hole or plug holes.It is suitable for wet or dry drilling in all kinds of rocks.
| Air-leg Rock Drill | YT19A | Y20LY | YT24 | YT27 | YT28 | YT29A |
| Weight (kg) | 18 | 18 | 24 | 24 | 26 | 26.5 |
| Air consumption (L/s) | 28 | ≤25 | ≤67 | ≤85 | ≤81 | ≤65 |
| Drill hole diameter (mm) | 34-42 | 34-42 | 34-42 | 34-42 | 34-42 | 34-45 |
| Max.drilling depth (mm) | 3 | 3 | 5 | 5 | 5 | 5 |
| Shank (mm) | 22x108 | 22x108 | 22x108 |
22x108 |
22x108 | 22x108 |
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