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ʻO ka ʻūmiʻi wili Tricone IADC637 4 3/4″ (120mm) no ka ʻeli ʻana i ka pōhaku paʻakikī
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ʻO ka tricone niho pōpō biit IADC637 5.5″ (140mm)
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Hale hana API o TCI tricone biit IADC637 6 “(152.4mm) i loko o ka waihona
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ʻO ka ʻāpana pōhaku tricone API TCI IADC637 6 3/4″ (171.4mm)
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Kumukūʻai ʻāpana API Tricone IADC637 8 1/2” (215.9mm)
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ʻŌmole wili pihi Rotary IADC617 12 1/4 ʻīniha (311mm)
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Mea hana ʻoki wili API tricone IADC637 12 1/4” (311.1mm)
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ʻO ka ʻūlili hao i hoʻopaʻa ʻia IADC637 14 3/4 ”(374.6mm) no ka lua hohonu
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ʻEkolu mau ʻāpana koni IADC637 17 1/2” (444.5mm)
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ʻO ka mea hoʻolako ʻāpana Tricone IADC637 6.5 ʻīniha (165mm) no ka pōhaku paʻakikī
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Nā ʻāpana wiliwili IADC637 9 7/8” (250.8mm)
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Hale hana API o ka Roller cone bit IADC637 3 7/8″ (98mm) i loko o ka waihona