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1/2 PDC Rock Drill Bit HQ3 PQ PQ3 NTW BTW HTW Carbide2023-10-12 14:42:15 |
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BQ NQ HQ Precise Control Diamond Reaming Shell Polished2023-10-11 16:16:52 |
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High Cutting Surface Finish TC Bit Drilling 3-3/42023-10-12 15:45:22 |
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Corrosion Resistance TC Bit Drilling 1/2 Right Hand2023-10-12 15:48:54 |