Specifications
Durable Internal Combustion-YN27A rock drill tools1)economical
2)powerful and durable
3)drilling 6m depth
4)simple structur
Durable Internal Combustion-YN27A rock drill tools
1)economical
2)powerful and durable
3)drilling 6m depth
4)simple structur
Internal Combustion Rock Drill Type YN27A is hand-oper-ating drill.It is mainly used for drilling blast holes in open air It is also useful in breaking, shovelling, digging ,splitting and tamping jobs.
Specification
| Weight | 26-27.5 kg |
|---|---|
| Overall dimension (L*W*H) | 746*315*229 mm |
| Diameter of engine piston | φ58 mm |
| Stroke of engine piston | 70 mm |
| Rotating speed of engine with load | >=2450 rpm |
| Drilling speed | >=250 mm/min |
| Oil consumption | <=0.12 L/m |
| Max.drilling depth | 6 m |
| End of tool shand | hex 22*108 mm |
| Front end of breaker | hex 22*108 mm |
