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ʻO ka drill bearing sila bts IADC126 9 7/8 iniha (250mm)
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Mea hoʻolako i nā bits drill Tricone IADC126 12 1/4 iniha (311mm) no ka wili luawai
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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)
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Bit tricone daimana IADC216 7.5 iniha (190mm)
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ʻO ka hale hana ʻāpana Tricone IADC216 9 7/8 iniha (250.8mm)