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Nā ʻāpana niho hao IADC117 3 7/8 iniha (98.4mm)
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API luawai poʻo IADC117 4 5/8 iniha (117.5mm) no ka rig
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Mea hoʻolako API tricone bits IADC117 5 7/8 iniha (149mm)
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API Tricone drill bits IADC111 15.5 iniha (394mm) ma ka waihona
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Mea hoʻolako i nā bits drill API IADC117 8 3/4 iniha (222mm) no ka wili luawai.
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API wili niho tricone drill bit IADC114 12 1/4″(311mm)
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Tricone drill bits IADC117 7.5 iniha (190mm) no ka luawai pohaku paakiki
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Nā ʻāpana pōhaku Tricone IADC117 7 7/8 iniha (200mm)
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hale hana API o nā ʻāpana tricone niho kila IADC117 6 iniha (152mm)
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ʻO API Rotary roller bits IADC117 9.5 iniha (241mm) ma ka waihona
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ʻO ka hale hana API o nā ʻāpana wili pōhaku tricone IADC117 8 1/2 iniha (216mm)
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Nā ʻāpana tricone kūʻai nui IADC117 6 1/4 iniha (159mm)