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7° 11° 12° Tungsten Carbide Quarry Mining Rock Drilling Taper Button Bits2022-09-28 10:33:33 |
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11 Degree Small Hole Drilling Tools Tapered Button Drill Bit2022-04-13 15:03:06 |
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Blue Color Threaded Carbide Button Drill Bit With R Thread And T Thread2019-10-23 16:40:40 |