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Moka keri poka hohonu IADC127 13 5/8” (346mm) kei roto
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Whakaritea nga moka keri poka IADC127 14 3/4” (374mm)
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Moka tricone rarawe IADC127 17.5 inihi (444.5mm)
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Paraka toka Tricone IADC137 6 inihi (152mm) mo te keri poka
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moka keri tricone API IADC215 8.5 inihi (215.9mm) hei hoko
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Paraka toka API Tricone IADC215 12 1/4 ” (311mm) me te utu whakaheke
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API drill bit wheketere IADC216 4.5 inihi (114mm)
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Kaiwhakarato moka poroporo IADC216 5 5/8 inihi (143mm)
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Moka roera hiri IADC216 5 7/8 inihi (149mm)
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Paraire niho mira IADC216 6.5 inihi (165mm) mo te keri poka
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Moka Tricone kei roto i nga taonga IADC216 6 3/4 inihi (171mm)
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API tricone keri IADC216 7 5/8 inihi (194mm) mo te rewa hinu