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T38 Top Hammer Drill Bits Diameter 76mm Button Drill Bit Set For Mining2020-05-26 18:14:11 |
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12 Degrees Tapered Tungsten Drill Bits Diameter 38mm For Rock Drilling2022-03-15 15:49:29 |
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Standard Button Drill Bit 115mm T51 For Hard Rock Formation Drilling2019-10-23 16:41:18 |
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6 Inch T51 Spherical Mining Industrial Drill Bits Reaming Button Bit2022-03-15 16:20:23 |