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New sealed bearing 8 1/2" IADC 537 Single roller cones bit for piling2019-08-20 15:05:27 |
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Golden 8 1/2" IADC 537 Single Cone Bit2019-10-07 14:51:22 |
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8 1/2 Inch Steel Tooth Tricone Bit / IADC 127 Mill Tooth Tricone Bit2020-04-16 10:02:54 |
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7 7/8 Inch API TCI Tricone Bit / Rock Roller Drilling Water Well Bit2019-07-11 14:11:42 |
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Sealing Welding Roller Cone Bit 8 1/2 Inch For Water Well Drlling2019-08-02 10:57:27 |