Customized CIR Serial DTH Hammers Manufacturers,
We can offer various DTH Hammer including low air pressure CIR hammer, middle air pressure BR hammer, high air pressure DHD/SD/QL/MISSION/NUMA hammer, big size hammer, RC hammer and cluster hammer. DTH Hammer. Sizes Range from 4' to 26'. IADC 247/417/437/537/517/637/737.
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