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I-API Rotary roller drill bit IADC517 4.5 amayintshi (114mm) esitokweni
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I-Button bit IADC517 118mm yokumba amatshe omthombo we-geothermal.
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Imboni ye-API ye-rotary roller bit IADC517 4 3/4″ (120mm)
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Inkinobho ye-API ejikelezayo evalwe amabhithi i-IADC517 5 1/4″ (133mm) esitokweni
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I-Tungsten Carbide Faka i-rock drilling bit IADC517 5 7/8″ (149mm)
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I-API Well drilling i-tricone bit IADC517 6″(152.4mm) iyathengiswa
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Amabhithi e-Tricone roller drill IADC517 6 1/4″ (159mm)
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Izingcezu zenkinobho yedwala evaliwe ye-TCI IADC517 6 1/2" (165mm) yokubhoboza umthombo
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I-TCI trione bit IADC517 7 1/2″ (190mm)
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I-Deep Well Tricone Bit IADC517 7 7/8 amayintshi (200mm)
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I-API Tricone Bit IADC517 8.5 amayintshi (215.90mm)
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I-API Tricone drilling bit IADC517 8 3/4 amayintshi (222mm) esitokweni