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API rotary tricone bit IADC617 6 ” (152mm) yoboola zitsime
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Tricone rock bit IADC617 8 1/2″ (215.9mm) yoboola zitsime
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Wopanga API wa tricone rock bit IADC617 9 7/8 mainchesi” (250mm)
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Fakitale ya API ya tricone roller bit IADC617 mainchesi 12 1/4 (311.1mm)
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Fakitale ya API yobowola miyala IADC617 17 1/2 mainchesi (444.5mm) ilipo
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TCI tricone bit IADC617 6 1/2″ (165mm) ya chipangizo chobowolera
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Fakitale ya API ya TCI tricone bit IADC617 5 5/8″ (142.9mm)