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wheketere API o TCI tricone bit IADC617 5 5/8″ (142.9mm)
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API rotary tricone bit IADC617 6 ” (152mm) mo te keri poka
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Tricone toka bit IADC617 8 1/2″ (215.9mm) mo te keri poka
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Kaihanga API mo te moka toka tricone IADC617 9 7/8 inihi” (250mm)
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wheketere API o te tricone roller bit IADC617 12 1/4 inihi (311.1mm)
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wheketere API o nga paraka keri toka IADC617 17 1/2 inihi (444.5mm) kei roto i nga taonga
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TCI tricone bit IADC617 6 1/2″ (165mm) mo te riu keri