DQD145B Down the hole drill is in accordance with the innovative design of the mine characteristics, with novel structure and high efficiency energy saving.It is widely used in small and medium-sized mines, defense engineering, water conservancy, road construction, blast hole drilling operations in rock engineering, which is ideal machine to achieve hierarchical extraction and medium deep-hole blasting. In ordinary motor for rotary power, economy, high efficiency, energy saving.The cycloidal speed reducer, rotary torque, and high efficiency of drilling. Novel overload protection, make the drilling operation stable and reliable. The dow hole drill Machine can be split for convenient transportation
Specification
| Hole diameter | 90-130（mm） |
| Hole depth | ≥50（m） |
| Rotating speed | 0-60（rpm） |
| Working pressure | 0.4-1.4（Mpa） |
| Pipe specification | 76-1000（mm） |
| Capacity | ≥12（m³/min） |
| Lifting force | 12000（N） |
| Power | motor（7.5KW） |
