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Imboni ye-API ye-TCI trione biit IADC637 6 “(152.4mm) esitokweni
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I-API TCI trione rock bit IADC637 6 3/4″ (171.4mm)
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I-API Tricone bit price IADC637 8 1/2 ” (215.9mm)
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Ibhithi le-Rotary drill bit IADC617 12 1/4 amayintshi (311mm)
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Umkhiqizi wamabhithi e-API trione drill IADC637 12 1/4 ” (311.1mm)
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I-Metal sealed drill bit IADC637 14 3/4 ” (374.6mm) yomthombo ojulile
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Izigaxa ezintathu bit IADC637 17 1/2 ” (444.5mm)
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Umhlinzeki we-Tricone bits IADC637 6.5 amayintshi (165mm) we-hard rock
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Amabhithi erola ejikelezayo IADC637 9 7/8 ” (250.8mm)
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I-TCI trione bit IADC417 17.5″(444.5mm)
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I-Tricone rock bit IADC417 8 1/2″(215.9mm)
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I-TCI trione bit IADC447 8 1/2 amayintshi (215.9mm)