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165mm DHD3.5 Shank DTH Hole Opener Drill Bit For Well Drilling Drag2024-07-11 16:42:12 |
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Diameter 152mm SD5 Shank DTH Drill Button Bit For Water Well Drilling2025-05-22 16:49:57 |
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171.5mm DHD340 Shank DTH Hole Opener Drill Bit For Foundation Drilling2024-07-11 16:42:11 |
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OEM Carbon Steel Conical Coal Mining Bits For Drilling2025-04-27 15:38:11 |
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133mm Dth Casing Overburden Drilling System Ring Bit For Mining2025-05-20 18:03:58 |
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Carbon Steel Carbide Mining Bits Cutter Picks For Coal Mineral2025-04-27 15:38:11 |
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U85 Coal Mining Picks Drill Teeth For Rock Formation Mining Drilling2025-04-27 09:52:15 |