dth hammer button drill bits
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DTH Bits CIR 110-120
The compressed air is adopted as the driving force. To prevent dust pollution and get a better performance, some high-pressure water may be added into the air for wet rock drilling
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DTH Bits CIR 90-100
CIR series DTH hammer, a kind of valve-equipped Low Air Pressure hammer with single piston, a plate valve and a central exhaust structure. The compressed air is adopted as the driving force. To prevent dust pollution and get a better performance, some high-pressure water may be added into the air for wet rock drilling
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