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Cylinder bore：80mm
Piston stoke：60mm
Impact energy：≥70(0.63Mpa)J
Impact frequency of drilling：≥37(0.63Mpa)Hz
It is suitable for rock drilling operations in large mines, medium mines and tunnels.
Features
Accessories of strong universality
Accessories of strong universality,when replace the product,users will not lose profit.
Energy-saving,high efficient ,reliable and durable
Drill of energy-saving,high efficient ,sturdy and durable,easy maintenance,high reliability.
Forging technology makes drill more durable
With forging technology，lower rotational speed at the same drilling depth，making drill more durable.
Small air consumption
Smaller air consumption when compared with other pneumatic rock drills on the market , same air compressor can connect more rock drills and greatly improve working efficiency.
Parameter
| model | YT29A |
| Weight | 26.5kg |
| Cylinder dia | φ82 |
| Piston stroke | 60mm |
| Working pressure | 0.4~0.63 (Mpa) |
| Impact energy | 70 J |
| Impact frequency | ≥37 Hz |
| Air consumption | 65L/s |
| Working water pressure | 0.3 Mpa |
| Air pipe inner dia | φ25 mm |
| Rock drill hole depth | 5m |
| Shank size | H22×108±1mm |
| Water pipe inner dia | φ13 mm |
| Rock drill hole dia | φ34~φ45mm |
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