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falegaosi mea eli vili lelei IADC126 17 1/2 inisi (444.5mm)
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Tricone bit factory IADC126 26 inisi (660mm)
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Tricone bits gaosi IADC127 4 9/16 inisi (115.9mm)
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Tricone bits factory IADC127 5 7/8 inisi (149mm) mo le vili malosi
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Fale vili vili atoa IADC127 6 1/4 inisi (158.8mm)
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Tricone bits supplier IADC127 7.5 inisi (190mm)
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vili vili i totonu o fa'asoa IADC127 7 7/8 inisi (200mm)
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API vili vili pito IADC127 8 1/2 inisi (215mm) mo papa malo
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Tricone bits i fa'asoa IADC127 8 3/4 inisi (222mm)
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API vili nifo nifo i fa'asoa IADC127 9.5 inisi (241mm)
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Fa'aitiitiga tricone bits IADC127 9 5/8 ” (244.5mm)
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Ulu fe'avea'i mo rig IADC127 9 7/8” (250.8mm)