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Mea hoʻolako API o nā ʻāpana wili luawai pōhaku hohonu IADC537 9 5/8″(244.5mm)
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ʻO ka pihi API TCI IADC537 9 7/8″(250mm) no ka ʻeli ʻana i ka luawai pōhaku paʻakikī
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ʻO ka ʻāpana pōhaku Tricone IADC417 8 1/2″(215.9mm)
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Hale hana API o ka TCI tricone bit IADC617 5 5/8″ (142.9mm)
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ʻO ka ʻāpana tricone TCI IADC417 17.5″(444.5mm)
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ʻO ka ʻūmiʻi ʻeli lua API IADC417 12 1/4″(311mm) no ka pōhaku paʻakikī
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Hale hana API o nā ʻāpana cone wili pōhaku IADC437 8.5″ no ka ʻeli ʻana
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ʻO ka ʻūlili tricone API IADC437 6″(152mm) no ka ʻeli ʻana i ka luawai
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ʻO ka ʻāpana tricone TCI IADC447 8 1/2 ʻīniha (215.9mm)
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ʻŌmole wili Rotary IADC447 6.5 ʻīniha (165mm)
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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