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Air drill, also known as pneumatic coal-drill, mainly for mining, construction, coal and soft rock tunnels to be bored. Now mine has been gradually replacing coal electric drill. Twist drill with drill pipe and equipped with pipe for coal, can be equipped with legs. Light weight and convenient than electric coal drill.

Pneumatic coal-drill in and construction of coal mines, coal seams, soft sandstone and shale gas-drilling, such as using handheld and legs dual Rotary pneumatic coal-drill, and can be used for wet drilling dry drilling.