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RC Hammer 5.5-inch RE545 Reverse CirculationBit Used for Exploration and Coring
HIGH AIR PRESSURE DTH BIT DHD 、QL 、MISSION 、SD、NUMA series
HC120R T45 D45 520 shank adapter
HD712 T45 D51 590 shank adapter
R32 89mm Hole opener retrac reaming button bit
T38 127mm Hole opener Reaming button bit
T45 76mm Concave Retrac Spherical button bit
T51 115mm Retrac Drop center Ballistic button bit
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