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API fa'amau viliina IADC517 17 1/2″ (444.5mm)
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Pisi Nifo Uamea IADC117 3 7/8 inisi (98.4mm)
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Ulu vili vaieli API IADC117 4 5/8 inisi (117.5mm) mo rig
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API tricone bits supplier IADC117 5 7/8 inisi (149mm)
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API Tricone drill bits IADC111 15.5 inisi(394mm) i totonu
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API vili fa'ameamea IADC117 8 3/4 inisi (222mm) mo vaieli
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API vili vili tricone nifo IADC114 12 1/4″(311mm)
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Tricone drill bits IADC117 7.5 inisi (190mm) mo papa malo
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Pisi papa Tricone IADC117 7 7/8 inisi (200mm)
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API falegaosimea o u'amea nifo tricone bits IADC117 6 inisi (152mm)
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API vili fa'a'ole'alo IADC117 9.5 inisi (241mm) i le fa'asoa
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API falegaosi mea vili ma'a tricone IADC117 8 1/2 inisi (216mm)