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Ngā mata wiri katoa o te wheketere IADC127 6 1/4 inihi (158.8mm)
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Kaiwhakarato moka Tricone IADC127 7.5 inihi (190mm)
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Ngā mata keri API IADC127 8 1/2 inihi (215mm) mō te toka mārō
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Ngā mata Tricone kei roto i te taonga IADC127 8 3/4 inihi (222mm)
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Ngā moka niho mira API kei roto i te taonga IADC127 9.5 inihi (241mm)
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Ngā mata keri poka hohonu IADC127 13 5/8” (346mm) kei roto i te taonga
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Ngā mata keri mono sima IADC127 4 3/4 inihi (120mm)
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Mīti mō te keri poka IADC127 3 7/8″ inihi (98.4mm)
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Kaihanga o ngā mata o Tricone IADC127 4 9/16 inihi (115.9mm)
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Keri tricone API IADC127 4 5/8 inihi (118mm) hei hoko
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Ngā mata o Tricone i hangaia mō te keri poka mārō, IADC127 5 7/8 inihi (149mm)
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Ngā moka hiri i hangaia e te wheketere IADC127 6 inihi (152mm)