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Amabhithi okubhoboza amanzi e-API e-IADC537 10 5/8 inches (269mm)
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Ama-API ama-cones amathathu bit IADC537 11 5/8″(295mm) omthombo oqinile
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Ibhithi ye-tri-cone ejikelezayo i-IADC537 12 1/4″(311mm)
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Ibhithi lokubhoboza amatshe laseMpumalanga Ekude elivalwe ngensimbi i-IADC537 13 5/8″(346mm)
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Ukubhoboza i-Tricone roller bit IADC537 15.5″(393.7mm) yomthombo ojulile
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I-TCI drilling bit IADC537 16″(406.4mm)
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I-Tungsten Carbide Faka i-tricone bit IADC537 17.5″ (444.5mm)
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I-API kanye ne-ISO tricone roller bit IADC537 26″(660.4mm)