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API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)
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Mutengo weAPI Tricone bit IADC637 8 1/2 ” (215.9mm)
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Rotary button drill bit IADC617 12 1/4 inches (311mm)
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Mugadziri weAPI tricone drill bits IADC637 12 1/4 ” (311.1mm)
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Chidhinha chesimbi chakavharwa IADC637 14 3/4 ” (374.6mm) chetsime rakadzika
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Makoni matatu IADC637 17 1/2” (444.5mm)
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Mupi weTricone bits IADC637 6.5 inches (165mm) yedombo rakaoma
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Zvidimbu zvinotenderera zvinotenderera IADC637 9 7/8 ” (250.8mm)
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Chigadzirwa cheAPI cheRoller cone bit IADC637 3 7/8″ (98mm) chiripo
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Mupi wemabhatani IADC637 7 7/8 ” (200mm)
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Zvidimbu zve API tricone rock IADC637 9 5/8 ” (244.5mm) zviripo
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TCI tricone bit IADC617 6 1/2″ (165mm) yerig yekuboorera