Mainly used for mine, building, tunnel, etc of coal seam and soft rock drilling. In the mining of the coal electric drill has gradually replace now. With the Fried dough twist drill pipe, drill pipe and drill pipe for coal can be used with gas legs. Light weight, easy to use than electric drill.
Pneumatic coal drill in coal mine and construction engineering, the coal seam, soft sandstone and shale gas drilling when using handheld and leg dual-use rotary pneumatic coal drill, with dry wet drilling drilling all can use. Drilling range of 35 to 45 mm.