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Tricone ntsis IADC217 4.5 nti (114 hli) rau kev khawb pob zeb tob tob
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API kaw lub khob hliav qab rau kev khawb IADC217 5 7/8 nti (149.2 hli)
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API cov khoom siv IADC217 8 3/4 nti (222.2 hli)
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lag luam wholesale drilling bits IADC217 17.5 nti (444.5mm)
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Peb lub khob hliav qab lub Hoobkas IADC217 3 7/8 nti (98mm)
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Cov ntsis laum tig IADC217 6 nti (152 hli)
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API milled hniav peb lub khob hliav qab IADC217 7.5 nti (190 hli) hauv Tshuag
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API roj hlau hniav ntsis IADC217 8.5 nti (215 hli) rau kev khawb pob zeb
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Cov ntsis khawb qhov dej tob IADC217 11 5/8 nti (295.3 hli) rau pob zeb tawv
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API Mill hniav ntsis IADC217 12 1/4 nti (311 hli) rau kev khawb qhov dej
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Cov khoom siv drilling pheej yig IADC217 14 3/4 nti (374mm) rau pob zeb tawv