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Uduce dutatu tw'amabuye y'agaciro IADC517 10 5/8″ (269mm)
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IADC517 9 7/8″ (250mm) ku ibuye rikomeye
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Uduce twa Tricone Roller Bits IADC517 santimetero 241 (241mm)
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IADC517 ifite santimetero 200 (200mm) ifite uburebure bwa santimetero 100
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Uduce twa TCI dufunganye tw'amabuye IADC517 6 1/2″ (165mm) two gucukura amariba
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Uduce two gucukura uduce twa Tricone IADC517 6 1/4″ (159mm)
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Ibice bifunga by'utubuto twa API IADC517 bifite 133mm (5 1/4″) biri mu bubiko