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Konopo ea API drill bit IADC517 17 1/2″ (444.5mm)
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Lisebelisoa tsa Leino la Tšepe IADC117 3 7/8 lisenthimithara tse (98.4mm)
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API hantle cheka hlooho IADC117 4 5/8 inches (117.5mm) bakeng sa rig
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API trione bits supplier IADC117 5 7/8 inches (149mm)
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API Tricone drill bits IADC111 15.5 inches(394mm) setokong
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API drill bits supplier IADC117 8 3/4 inches (222mm) bakeng sa ho cheka seliba
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Likotoana tsa ho phunya leino la API IADC114 12 1/4″(311mm)
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Tricone drill bits IADC117 7.5 inches (190mm) bakeng sa seliba sa majoe a thata
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Tricone rock bits IADC117 7 7/8 inches (200mm)
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API fektheri ea tšepe leino trione bits IADC117 6 lisenthimithara (152mm)
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API Rotary roller bits IADC117 9.5 inches (241mm) setokong
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API feme ea li-tricone rock drill bits IADC117 8 1/2 inches (216mm)