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Retractable T51 89mm Tungsten Carbide Button Bit For Top Hammer Drilling2021-08-10 10:52:40 |
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QL50 140mm DTH Hammer Bit For Open Pit Mining And Water Well Drilling2025-03-07 16:33:34 |
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Thread domed reaming button bits ST68 152mm For Fast Penetration Rates2019-11-13 15:08:29 |
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6 Inch T51 Spherical Mining Industrial Drill Bits Reaming Button Bit2022-03-15 16:20:23 |