1. Blast hole diameter is about 34m-42m, and drill hole depth is 6m.
2. This kind of machine is a new kind of high-efficiency air-leg rock drill machinery.
3. It is suitable for drilling and blasting under various rocks and direction angles.
4. It is mainly used for blasting holes and other drilling works in quarries, railway construction, water conservancy construction, and defense project facility.
5. First-class level Drilling Tools, are suitable for sites without power or air pressure equipment, it has wide adaptability for high mountains and plains, and extreme temperature (‡40°C).