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T38 127mm hole opener reaming button bit
T38 64mm Spiral Retrac Concave button bit
Speed Rod (MF rod)
Taper bit
Reverse Circulation Drill Pipe (RC Drill Pipe)
HIGH AIR PRESSURE DTH BIT DHD 、QL 、MISSION 、SD、NUMA series
R32 48mm Ballistic button bit
Russian type（KNSH series）DTH BIT
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