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Te wheketere o te wiri API bts IADC126 4 3/4 inihi (120mm)
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API Ngā moka kōne e toru IADC126 4 5/8 inihi (118mm) mō te keri poka
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Ngā mata keri API ritenga IADC126 5 1/4 inihi (133mm) mō te toka mārō
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Ngā mata Tricone mō te keri poka kei roto i te toa IADC126 6inihi (152mm)
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Te mata keri API Tricone IADC126 9.5 inihi (241mm) hei hoko
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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)
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Ngā mata keri kei roto i te taonga IADC127 7 7/8 inihi (200mm)
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Ngā moka tricone utu iti IADC127 9 5/8” (244.5mm)