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API rotary tricone bit IADC617 6 ” (152mm) yekuboorera tsime
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Tricone rock bit IADC617 8 1/2″ (215.9mm) yekuboorera matsime
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Mugadziri weAPI we tricone rock bit IADC617 9 7/8 inches” (250mm)
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Chigadzirwa cheAPI che tricone roller bit IADC617 12 1/4 inches (311.1mm)
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Chigadzirwa cheAPI chezvidhinha zvekuboorera matombo IADC617 chine 17 1/2 inches (444.5mm) chiripo
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TCI tricone bit IADC617 6 1/2″ (165mm) yerig yekuboorera
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Chigadzirwa cheAPI cheTCI tricone bit IADC617 5 5/8″ (142.9mm)