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API TCI tricone pob zeb ntsis IADC637 6 3/4″ (171.4mm)
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API Tricone ntsis nqe IADC637 8 1/2 "(215.9mm)
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Lub pob laum tig IADC617 12 1/4 nti (311 hli)
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API tricone laum ntsis chaw tsim khoom IADC637 12 1/4 ”(311.1mm)
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Lub laum hlau kaw IADC637 14 3/4 ”(374.6mm) rau qhov dej tob
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Peb lub cones ntsis IADC637 17 1/2 ”(444.5mm)
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Tricone bits tus neeg muag khoom IADC637 6.5 nti (165mm) rau pob zeb tawv
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Cov khoom siv rau cov menyuam IADC637 9 7/8” (250.8mm)
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Lub Hoobkas API ntawm Cov Khoom Siv Roller Cone IADC637 3 7/8″ (98mm) hauv Tshuag
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Cov khoom siv khawm IADC637 7 7/8 "(200mm)
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API tricone pob zeb bits IADC637 9 5/8 "(244.5mm) nyob rau hauv Tshuag
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TCI tricone ntsis IADC617 6 1/2″ (165mm) rau kev khawb av