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API tricone wili IADC216 7 5/8 iniha (194mm) no ka wili aila
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Bit dill Rotary IADC216 7 7/8 iniha (200mm)
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Mea hoʻolako i nā bits Rotary IADC216 10 5/8 iniha (269mm)
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E kūʻai i nā ʻāpana wili IADC216 17.5″ (444.5mm)
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ʻEkolu cones bit factory IADC217 3 7/8 iniha (98mm)
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Tricone bits IADC217 4.5 iniha (114mm) no ka wili luawai pohaku hohonu
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API i sila ʻia i ka ʻāpana ʻōniʻoniʻo no ka wili ʻana iā IADC217 5 7/8 iniha (149.2mm)
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ʻO nā ʻāpana wili wiliwili IADC217 6 ʻīniha (152mm)
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API wili ʻia i ʻekolu mau ʻāpana cones IADC217 7.5 iniha (190mm) ma ka waihona
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API aila kila niho bit IADC217 8.5 iniha (215mm) no ka wili pōhaku
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Mea hoʻolako i nā bits API IADC217 8 3/4 iniha (222.2mm)
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Nā ʻāpana wili luawai hohonu IADC217 11 5/8 iniha (295.3mm) no ka pōhaku paʻa