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12" Numa Down The Hole Numa120 DTH Button Drill Bits For Rock Drilling2019-08-14 15:19:54 |
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10" Down The Hole SD10 DTH Button Drill Bits For Rock Drilling2019-08-14 15:20:02 |
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Dth Bits DTH Button Bits For Water Well Drilling/Rock Drilling2021-05-18 10:17:03 |
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R32 STD Retrac Thread Button Bits For Quarrying , Mining , Tunneling2019-08-15 16:19:16 |
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Sollroc Three Wings Step Drag Drill Bit For Mining Drilling Well Drilling2019-08-14 15:20:16 |
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Step Drag Drill Bits Chevron Drag Bits With Tungsten Carbides2019-08-14 15:20:16 |