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Fektheri ea API drill bts IADC126 4 3/4 inches (120mm)
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API Likhoune tse tharo IADC126 4 5/8 inches (118mm) bakeng sa ho tjheka seliba
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Li-drill bits tse etselitsoeng API IADC126 5 1/4 inches (133mm) bakeng sa lefika le thata
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Likotoana tsa tricone bakeng sa ho cheka seliba li teng setokong sa IADC126 6inches (152mm)
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API Tricone drill bit IADC126 9.5 inches (241mm) e rekisoa
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Sekotwana sa ho tjheka seliba IADC127 3 7/8″ inches (98.4mm)
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Moetsi oa li-bits tsa Tricone IADC127 4 9/16 inches (115.9mm)
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Ho tjheka ha API tricone IADC127 4 5/8 inches (118mm) hoa rekisoa
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Feme ea li-tricone bits IADC127 5 7/8 inches (149mm) bakeng sa ho cheka seliba se thata
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Feme ea li-bits tse koetsoeng IADC127 6 inches (152mm)
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Likotoana tsa ho tjheka tse teng setokong IADC127 7 7/8 inches (200mm)
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Li-bits tsa tricone tse theotsoeng IADC127 9 5/8 ” (244.5mm)