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I-API drill bits factory IADC216 4.5 amayintshi (114mm)
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Umhlinzeki we-roller cones bits i-IADC216 5 5/8 amayintshi (143mm)
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Amabhithi amarola avaliwe IADC216 5 7/8intshi (149mm)
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Izinyosi ezigayiwe IADC216 6.5 amayintshi (165mm) zokubhoboza umthombo
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Amabhithi e-Tricone esitokisini IADC216 6 3/4 amayintshi (171mm)
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I-API trione drilling IADC216 7 5/8 amayintshi (194mm) yomshini wokugaya uwoyela
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I-Rotary dill bit IADC216 7 7/8 amayintshi (200mm)
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Umhlinzeki we-Rotary bits IADC216 10 5/8 amayintshi (269mm)
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Thenga izingcezu zokubhoboza IADC216 17.5″ (444.5mm)
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I-API trione drill bits intengo IADC216 4 5/8 amayintshi (118mm)
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Amabhithi e-tricone ajulile IADC216 6 amayintshi (152mm)
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Umhlinzeki we-API drilling rig bits umhlinzeki we-IADC216 5 3/4 amayintshi (146mm)