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High Speed SC32 - COP Down The Hole Hammer For Mining And Quarry Drilling2020-03-10 14:05:02 |
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305mm Chevron Step Drag Bits For Clay Sand Drilling2020-12-15 11:41:21 |
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Soft Formation Soil Drilling Blue 305mm Diameter 3 Wings/Blades Drag Bit2022-06-07 14:42:43 |