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Likotoana tsa ho cheka tsa theko e tlase IADC217 14 3/4 inches (374mm) bakeng sa lejoe le thata
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likotoana tsa ho cheka ka bongata IADC217 17.5 inches (444.5mm)
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Tricone drill bits IADC114 15.5 inches(394mm) e fumaneha
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Fektheri e nyenyane ea leino la tšepe IADC114 17.5 lisenthimithara (444.5mm)
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Likotoana tsa ho cheka polaka ea samente IADC127 4 3/4 lisenthimithara (120mm)
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API customized drill bits IADC126 5 1/4 inches (133mm) bakeng sa lejoe le thata
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Mill tooth bits bakeng sa ho cheka seliba IADC215 17.5 inches (444.5mm)
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API tricone drill drill bits price IADC216 4 5/8 inches (118mm)
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Likotoana tse tebileng tsa tricone IADC216 6 inches (152mm)
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API drilling rig bits supplier IADC216 5 3/4 inches (146mm)
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API triocne drilling IADC125 17 1/2 inches (444.5mm)
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Hlooho ea ho cheka hantle ea API IADC126 7 1/2 inches (190.5mm)