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Ma cones atatu IADC517 13 5/8″ (346mm)
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Chidutswa cha batani la API IADC517 17 1/2″ (444.5mm)
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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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API tungsten carbide insert rock dill bit IADC627 3 7/8″ (98mm) ilipo
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Chozungulira chozungulira IADC627 8 1/2″ (215mm/216mm)
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Tricone roller bit IADC637 4 3/4″ (120mm) yoboola miyala yolimba
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Ball tooth tricone biit IADC637 5.5″ (140mm)
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Fakitale ya API ya TCI tricone biit IADC637 6 “(152.4mm) ilipo