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Umhlinzeki wama-roller cones bits IADC216 5 5/8 inches (143mm)
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Amabhithi e-roller avaliwe i-IADC216 5 7/8inches (149mm)
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Amabhithi e-Tricone asesitokweni IADC216 6 3/4 amayintshi (171mm)
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I-Rotary dill bit IADC216 7 7/8 amayintshi (200mm)
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Umhlinzeki wama-Rotary bits IADC216 10 5/8 inches (269mm)
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Thenga ama-drilling bits IADC216 17.5″ (444.5mm)
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Ama-tricone bits IADC217 angu-4.5 inches (114mm) okubhoboza imithombo yamatshe ajulile
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I-API sealed roller cone bit yokubhoboza i-IADC217 5 7/8 inches (149.2mm)
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Umhlinzeki wama-API bits IADC217 8 3/4 amayintshi (222.2mm)
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amabhithi okubhoboza ngobuningi i-IADC217 17.5 inches (444.5mm)
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Ifektri ye-tricone bit yezinyo lensimbi i-IADC114 17.5 inches(444.5mm)
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Amabhithi okubhoboza ipulaki yesamente i-IADC127 4 3/4 amayintshi (120mm)