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Hlooho e potolohang bakeng sa rig IADC127 9 7/8 ” (250.8mm)
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Likhoune tse 3 tsa li-roller bits IADC127 11 5/8 ” (295mm)
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Likotoana tsa ho tjheka selibeng se tebileng IADC127 12 1/4 ” (311mm)
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Likotoana tsa ho cheka seliba tse etselitsoeng IADC127 14 3/4 ” (374mm)
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Li-bits tsa tricone tse rekisoang ka bongata IADC127 17.5 inches (444.5mm)
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Likarolo tsa lefika la Tricone IADC137 6 inches (152mm) bakeng sa ho tjheka seliba
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Likotoana tsa meno a silang bakeng sa ho phunya seliba IADC215 17.5 inches (444.5mm)
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Li-bits tsa lefika tsa API Tricone IADC215 12 1/4 ” (311mm) ka theko e theotsoeng
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API tricone drilling bit IADC215 8.5 inches (215.9mm) e rekisoa
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Feme ea li-drill bits tsa API IADC216 4.5 inches (114mm)
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Mofani oa li-bits tsa ho tjheka tsa API IADC216 5 3/4 inches (146mm)
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Likotoana tsa meno tse sitsitsoeng IADC216 6.5 inches (165mm) bakeng sa ho phunya seliba