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Ikhanda elijikelezayo le-rig IADC127 9 7/8” (250.8mm)
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Ama-roller bits amakhoni amathathu IADC127 11 5/8” (295mm)
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Izingcezu zokubhoboza imithombo ejulile IADC127 12 1/4 ” (311mm)
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Amabhithi okubhoboza imithombo enziwe ngokwezifiso i-IADC127 14 3/4” (374mm)
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Amabhithi e-tricone athengiswa ngobuningi IADC127 angu-17.5 amayintshi (444.5mm)
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Izingcezu zamatshe e-Tricone IADC137 6 inches (152mm) zokubhoboza umthombo
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Izinti zamazinyo okugaya zokubhoboza umthombo i-IADC215 17.5 inches (444.5mm)
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Ama-API Tricone rock bits IADC215 12 1/4” (311mm) ngentengo ehlisiwe
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I-API tricone drilling bit IADC215 8.5 inches (215.9mm) iyathengiswa
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Ifektri ye-API drill bits IADC216 4.5 inches (114mm)
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Umhlinzeki wama-bits okubhoboza e-API i-IADC216 5 3/4 amayintshi (146mm)
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Izingcezu zamazinyo ezigayiwe i-IADC216 6.5 inches (165mm) zokubhoboza umthombo