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Customizedl likotoana tsa ho cheka hantle IADC127 14 3/4 ” (374mm)
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Wholesale tricone bits IADC127 17.5 inches (444.5mm)
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Likotoana tsa ho cheka polaka ea samente IADC127 4 3/4 lisenthimithara (120mm)
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Bit bakeng sa ho cheka seliba IADC127 3 7/8″ inches (98.4mm)
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API tricone drilling IADC127 4 5/8 inches (118mm) ea rekisoa
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Fektheri e tiisitsoeng ea li-bits IADC127 6 inches (152mm)
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Likotoana tsa ho cheka seliba se tebileng IADC127 12 1/4 ” (311mm)