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Nā ʻāpana wili luawai maʻamau IADC127 14 3/4 ” (374mm)
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Nā ʻāpana tricone kūʻai nui IADC127 17.5 iniha (444.5mm)
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Nā ʻāpana wili pahu sima IADC127 4 3/4 iniha (120mm)
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Bit no ka wili luawai IADC127 3 7/8″ iniha (98.4mm)
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API tricone wili IADC127 4 5/8 iniha (118mm) no ke kuai
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hale hana paʻa i hoʻopaʻa ʻia IADC127 6 iniha (152mm)
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Nā ʻāpana wili lua hohonu IADC127 12 1/4 ” (311mm)