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7655/YT23
Short Description:
7655/YT23 rock drill is a portable, small pneumatic hand-held rock drill. Its design and construction are based on safe and fuel-saving technology. It is suitable for secondary blasting operation, mining and tunneling, etc.
Specification
| Model | 7655/YT23 |
| Weight | 24 kg |
| Length | 628 mm |
| Working pressure | 0.63 MPa |
| Cylinder dia | 76 mm |
| Piston stroke | 60 mm |
| Impact frequency | ≥36 Hz |
| Impact energy | ≥65 J |
| Air consumption | ≤80 L/s |
| Idling speed | ≥300 r/mim |
| Noisy | ≤112 dB(A) |
| Air pressure | 0.2-0.3 MPa |
| Air pipe inner diameter | 25 mm |
| Water pipe inner | 13 mm |
| Hole diameter | 34～42 mm |
| Biggest drilling depth | 5 m |
| Specification of shank | B22×108=1 mm |
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