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Olùpèsè API ti awọn biti liluho kanga apata IADC537 9 5/8″(244.5mm)
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Bọtini bọtini API TCI IADC537 9 7/8″(250mm) fun lilu kanga apata lile
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Àpáta Tricone IADC417 8 1/2″(215.9mm)
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Ilé iṣẹ́ API ti TCI tricone bit IADC617 5 5/8″ (142.9mm)
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Bẹ́ẹ̀tì tricone TCI IADC417 17.5″(444.5mm)
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Ibi ìlù kànga API IADC417 12 1/4″(311mm) fún àpáta líle
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Ile-iṣẹ API ti awọn ege rola apata IADC437 8.5″ fun liluho
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Bit tricone API IADC437 6″(152mm) fún lílo kànga
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Bẹ́ẹ̀tì tricone TCI IADC447 8 1/2 inches (215.9mm)
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Bẹ́ẹ̀tì ìlù Rotary IADC447 6.5 inches (165mm)
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Àwọn kọ́nọ́sì òkúta mẹ́ta IADC517 10 5/8″ (269mm)
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Àwọn Bits tricone Rotary IADC517 9 7/8″ (250mm) fún àpáta líle