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I-API Mill tooth bits IADC217 12 1/4 amayintshi (311mm) yokubhoboza umthombo
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Amanani aphansi okumba amabhithi IADC217 14 3/4 amayintshi (374mm) wetshe eliqinile
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i-wholesale drilling bits IADC217 17.5 amayintshi (444.5mm)
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4 1/4 amayintshi PDC Hudula Bit 3 Blades
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Imboni ye-API ye-TCI trione bit IADC617 5 5/8″ (142.9mm)
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I-API rotary tricone bit IADC617 6 ” (152mm) yokubhoboza umthombo
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I-Tricone rock bit IADC617 8 1/2″ (215.9mm) yokumba umthombo
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Umkhiqizi we-API we-tricone rock bit IADC617 9 7/8 amayintshi” (250mm)
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Imboni ye-API ye-tricone roller bit IADC617 12 1/4 amayintshi (311.1mm)
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Imboni ye-API yamabhithi okumba amatshe IADC617 17 1/2 amayintshi (444.5mm) esitokweni
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I-API tungsten carbide ifaka i-rock dill bit IADC627 3 7/8″ (98mm) esitokweni
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I-Rotary roller bit IADC627 8 1/2″ (215mm/216mm)