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Nā ʻāpana wili kumu kūʻai haʻahaʻa IADC217 14 3/4 iniha (374mm) no ka pōhaku paʻa.
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nā ʻāpana wiliwili kūʻai nui IADC217 17.5 iniha (444.5mm)
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Tricone drill bits IADC114 15.5 iniha (394mm) ma ka waihona
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ʻO ke kila niho tricone bit hale hana IADC114 17.5 iniha (444.5mm)
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Nā ʻāpana wili pahu sima IADC127 4 3/4 iniha (120mm)
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API no nā ʻāpana drill i hoʻopilikino ʻia IADC126 5 1/4 iniha (133mm) no ka pōhaku paʻa.
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Nā ʻāpana niho wili no ka wili luawai IADC215 17.5 iniha (444.5mm)
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Ke kumu kūʻai ʻo API tricone drill bit IADC216 4 5/8 iniha (118mm)
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Nā ʻāpana tricone lua hohonu IADC216 6 ʻīniha (152mm)
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Mea hoʻolako ʻia nā pahu wili wili API IADC216 5 3/4 iniha (146mm)
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API triocne wili IADC125 17 1/2 iniha (444.5mm)
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Poʻo wili luawai API IADC126 7 1/2 iniha (190.5mm)