Hand Hammer Drill

The hand hammer drill hole diameter is 19 ~ 42mm, and the hole depth is up to 5m, usually less than 2.5m.
The impact of conventional pneumatic hand rock drill can be 15 ~ 45J, the impact frequency is 27 ~ 36Hz, the rotary torque is 8 ~ 13N·m, the working pressure is 0.5 ~ 0.7mpa, the gas consumption is 1,500 ~ 3900L/min, and the hammer hand drill machine weight is 7 ~ 30kg.