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190mm TCI Tricone hard rock drill bit for water well drilling2022-01-25 10:02:59 |
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factory new sealed bearing 6 inch tci tricone bit Roller cone Bit2022-01-25 09:05:27 |
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8 1/2inch 215.9mm tci tricone rock roller bits for water well drilling2022-01-25 09:06:11 |
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8 1/2inch 215.9mm Tricon Rock Roller Bits for water well drilling2022-01-25 15:45:20 |
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High Drill Ability Tricone Roller Bit 133mm IADC 537 Roller Bit Drilling2022-02-11 15:50:00 |