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hale hana hoʻoheheʻe hoʻoheheʻe API IADC216 4.5 iniha (114mm)
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Mea hoʻolako ʻia nā pahu pahu pahu pahu IADC216 5 5/8 iniha (143mm)
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Nā ʻāpana huila i hoʻopaʻa ʻia IADC216 5 7/8 iniha (149mm)
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Nā ʻāpana niho wili IADC216 6.5 ʻīniha (165mm) no ka wili luawai
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Nā ʻāpana Tricone i ka waihona IADC216 6 3/4 iniha (171mm)
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API tricone wili IADC216 7 5/8 iniha (194mm) no ka wili aila
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Bit dill Rotary IADC216 7 7/8 iniha (200mm)
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Mea hoʻolako i nā bits Rotary IADC216 10 5/8 iniha (269mm)
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E kūʻai i nā ʻāpana wili IADC216 17.5″ (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)