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Tricone roller drill bits IADC517 6 1/4″ (159mm)
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TCI e tiisitsoeng ea likonopo tsa lejoe la majoe IADC517 6 1/2 ″ (165mm) bakeng sa ho cheka seliba
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TCI trione bit IADC517 7 1/2″ (190mm)
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Deep Well Tricone Bit IADC517 7 7/8 inches (200mm)
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API Tricone Bit IADC517 8.5 inches (215.90mm)
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API Tricone drilling bit IADC517 8 3/4 inches (222mm) e fumaneha
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Tricone Roller Bits IADC517 9.5 inches (241mm)
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Rotary tricone Bits IADC517 9 7/8″ (250mm) bakeng sa lefika le thata
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Likhoune tse tharo tsa rock bit IADC517 10 5/8″ (269mm)
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Rotary rock bit IADC517 11 5/8″ (295mm)
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Rotary trione bit IADC517 12 1/4″ (311mm)
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Likhoune tse tharo tse nyane IADC517 13 5/8 ″ (346mm)