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Li-inches tse 4 1/4 tsa PDC Drag Bit 3 Blades
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API rotary tricone bit IADC617 6 ” (152mm) bakeng sa ho tjheka seliba
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Karolo ea lefika la Tricone IADC617 8 1/2″ (215.9mm) bakeng sa ho cheka seliba
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Moetsi oa API oa tricone rock bit IADC617 9 7/8 inches” (250mm)
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Fektheri ea API ea tricone roller bit IADC617 12 1/4 inches (311.1mm)
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Fektheri ea API ea likotoana tsa ho phunya majoe IADC617 17 1/2 inches (444.5mm) e teng setokong
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API tungsten carbide insert rock dill bit IADC627 3 7/8″ (98mm) e teng setokong
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Karolo e roller ea roller IADC627 8 1/2″ (215mm/216mm)
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Karolo ea roller ea Tricone IADC637 4 3/4″ (120mm) bakeng sa ho cheka lefika le thata
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Leino la bolo la tricone biit IADC637 5.5″ (140mm)
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Feme ea API ea TCI tricone biit IADC637 6 “(152.4mm) e teng setokong
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API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)