The CBR1, CBR2 and CBR3 down hole impactors are medium air pressure impactors that can be fitted with BR series drills.
Its main features are as follows:
1. the adaptable working wind pressure is 0.7-1.75Mpa.
2. the impactor is a valve-less impactor.
3. simple structure, easy disassembly, long life.
4. large impact power, fast drilling speed.
5. small air consumption, low energy consumption. When you need to increase the slag discharge, you can drill holes on the backstop valve.
6. especially adapted to stone mining.

