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127-152mm PDC Drill Bit with Steel Body Matrix Body for oil well drilling2025-03-10 16:18:20 |
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4-1/8" Tricone Roller Bit , Well Drilling Equipment SGS ISO Listed2022-03-15 15:38:40 |
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Gt60 102mm Top Hammer Rock Drilling Retrac Drill Bits2025-03-11 10:02:38 |
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Mining Top Hammer GT60 127mm Carbide Flat Face Threaded Button Bit2025-03-07 15:51:38 |
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T45 89mm Ballistic Tungsten Carbide Thread Button Bits Rock Drilling2021-07-20 14:15:18 |