Product Description
DTH hammer is a kind of pneumatic rock drilling tools, the difference from others is during drilling process hammer always stay in the bottom of the hole, impact the rock by bit from hammer directly. High pressure air enter into the hammer through drill pipe, then run out from drill bits, exhaust air are used to blow up cuttings from the bottom of hole. The rotating power acting on DTH hammer comes from rotation motor on the drill rig, the pull force comes from feeding device and transfer the energy to hammer through drill pipe.
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