1. It improves drilling efficiency and reduces labor intensity With hydraulic automatic feeding mechanism.
2. It can be achieved without stopping to change rods, easy to operate, safe and reliable with ball clip holding mechanism or hydraulic chuck.
3. It has hole bottom pressure gauge to be easy to master the situation in the hole.
4. It also has advantage of Compact structure, concentrated handle, small footprint, light weight, strong decomposition, easy to move. It can be operated in plains and mountain areas. Details Images