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7/11/12 Degree High Speed Tungsten Carbide Rock Tapered Drill Button Bit2022-09-28 10:23:02 |
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Customization Tapered Tungsten Carbide Drill Bit For Rock Drilling2022-04-13 15:03:05 |
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38mm 12 Degree Small Hole Rock Drill Tapered Drill Button Bit2022-08-16 16:24:04 |