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API falegaosimea o TCI tricone bit IADC617 5 5/8″ (142.9mm)
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API rotary tricone bit IADC617 6 ”(152mm) mo le vili vaieli
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Tricone rock bit IADC617 8 1/2″ (215.9mm) mo le viliina lelei
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API faufale o tricone rock bit IADC617 9 7/8 inisi” (250mm)
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API falegaosi o tricone roller bit IADC617 12 1/4 inisi (311.1mm)
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API falegaosi mea eli maa IADC617 17 1/2 inisi (444.5mm) i totonu
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TCI tricone bit IADC617 6 1/2″ (165mm) mo le viliina.