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Amasuntswana okomba anzulu IADC127 13 5/8 ” (346mm) kwisitokhwe
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Customizedl amasuntswana okomba IADC127 14 3/4 ” (374mm)
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I-Wholesale tricone bits IADC127 17.5 i-intshi (444.5mm)
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Amasuntswana amatye e-Tricone IADC137 6 i-intshi (152mm) yokomba umthombo
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I-API trione yokomba isuntswana IADC215 8.5 intshi (215.9mm) iyathengiswa
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API Tricone rock bits IADC215 12 1/4 ” (311mm) ngexabiso elithotyiweyo
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API drill bits factory IADC216 4.5 intshi (114mm)
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Iibhithi ze-roller cones umboneleli IADC216 5 5/8 intshi (143mm)
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Amasuntswana erola atywiniweyo IADC216 5 7/8intshi (149mm)
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Amasuntswana amazinyo agayiweyo IADC216 6.5 intshi (165mm) xa kugrunjwa umthombo
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Tricone bits kwisitokhwe IADC216 6 3/4 intshi (171mm)
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I-API tricone yokomba i-IADC216 7 5/8 intshi (194mm) yokucoca i-oyile