DTH(Down the hole) hammer
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down the hole hammer
High Pressure DTH Hammers and Low Pressure DTH hammers
Equipped together with dual concentric drill pipe, air-driven hollow down-the-hole hammer can perform continuous reverse circulation core (sample) drilling and other drilling technology. It is suitable for geological exploration core drilling, well drilling, engineering drilling in hard or complicated formations and it has advantages of high drilling efficiency, long life of bit, high quality of drilling hole and core.
Hammers Type Includes:DHD3.5, DHD340, DHD350, DHD360, DHD380, Cop34, Cop44, Cop54, Cop64, Cop84, sd4, SD5, SD6, SD8, QL40, QL50, QL60, QL80, MACH30, MACH40, MACH50, MACH60, J60C, J80B, J100B, J150B, etc