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Fa'apitoa vili vaieli IADC127 14 3/4” (374mm)
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Fa'atau oloa tricone bits IADC127 17.5 inisi (444.5mm)
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vili sima poloka IADC127 4 3/4 inisi (120mm)
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Bit mo le viliina lelei IADC127 3 7/8″ inisi (98.4mm)
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API tricone vili IADC127 4 5/8 inisi (118mm) mo le fa'atau
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falegaosi mea fa'amaufa'ailoga IADC127 6 inisi (152mm)
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Fa'alilo vili loloto IADC127 12 1/4” (311mm)