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Umhlinzeki we-API wezingcezu zokubhoboza imithombo yamatshe ajulile i-IADC537 9 5/8″(244.5mm)
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I-API TCI button bit IADC537 9 7/8″(250mm) yokubhoboza imithombo yamatshe aqinile
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I-Tricone rock bit IADC417 8 1/2″(215.9mm)
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Ifektri ye-API ye-TCI tricone bit IADC617 5 5/8″ (142.9mm)
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I-TCI tricone bit IADC417 17.5″(444.5mm)
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I-API well drilling bit IADC417 12 1/4″(311mm) yedwala eliqinile
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Imboni ye-API yama-rock roller cones bits IADC437 8.5″ yokubhoboza
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I-API tricone drill bit IADC437 6″(152mm) yokubhoboza umthombo
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I-TCI tricone bit IADC447 8 1/2 amayintshi (215.9mm)
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I-Rotary drill bit IADC447 6.5 amayintshi (165mm)
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Ama-cones amathathu e-rock bit IADC517 10 5/8″ (269mm)
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Ama-Rotary tricone Bits IADC517 9 7/8″ (250mm) e-hard rock