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Àwọn abẹ́ mẹ́ta 4 1/4 ínṣì PDC Drag Bit
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API rotary tricone bit IADC617 6 ” (152mm) fún lílo kànga
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Ẹja apata Tricone IADC617 8 1/2″ (215.9mm) fún wíwá kànga.
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Olùpèsè API ti tricone rock bit IADC617 9 7/8 inches” (250mm)
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Ilé iṣẹ́ API ti tricone roller bit IADC617 12 1/4 inches (311.1mm)
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Ilé iṣẹ́ API ti àwọn biti ìlù apata IADC617 17 1/2 inches (444.5mm) wà ní ìpamọ́
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API tungsten carbide insert rock dill bit IADC627 3 7/8″ (98mm) wà ní ìpamọ́
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Bétì ìyípo IADC627 8 1/2″ (215mm/216mm)
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Ẹyọ ìyípo Tricone IADC637 4 3/4″ (120mm) fún lílo àpáta líle
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Ẹyin tricone ball biit IADC637 5.5″ (140mm)
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Ilé iṣẹ́ API ti TCI tricone biit IADC637 6 “(152.4mm) wà ní ìpamọ́
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API TCI tricone apata bit IADC637 6 3/4″ (171.4mm)