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ʻEkolu mau ʻāpana pōhaku cone IADC517 10 5/8″ (269mm)
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Nā ʻāpana tricone Rotary IADC517 9 7/8″ (250mm) no ka pōhaku paʻakikī
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Nā ʻāpana ʻōwili Tricone IADC517 9.5 ʻīniha (241mm)
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ʻO ka ʻūpā Tricone hohonu IADC517 7 7/8 ʻīniha (200mm)
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Nā ʻāpana pihi pōhaku i hoʻopaʻa ʻia e TCI IADC517 6 1/2″ (165mm) no ka ʻeli ʻana i ka luawai
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Nā ʻāpana wili Tricone IADC517 6 1/4″ (159mm)
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Nā ʻāpana i hoʻopaʻa ʻia me ke pihi wili API IADC517 5 1/4″ (133mm) i loko o ka waihona