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Ama-tricone bits IADC217 angu-4.5 inches (114mm) okubhoboza imithombo yamatshe ajulile
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I-API sealed roller cone bit yokubhoboza i-IADC217 5 7/8 inches (149.2mm)
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Umhlinzeki wama-API bits IADC217 8 3/4 amayintshi (222.2mm)
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amabhithi okubhoboza ngobuningi i-IADC217 17.5 inches (444.5mm)
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Amabhithi amathathu ekhoni efektri i-IADC217 3 7/8 amayintshi (98mm)
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Amabhithi okubhoboza ajikelezayo i-IADC217 amasentimitha angu-6 (152mm)
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Izinyo eligayiwe le-API, ama-bits amathathu e-IADC217, angama-intshi angu-7.5 (190mm) esitokweni
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Izingcezu zamazinyo zensimbi ye-API kawoyela i-IADC217 8.5 inches (215mm) zokubhoboza amatshe
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Izingcezu zokubhoboza imithombo ejulile IADC217 11 5/8 amayintshi (295.3mm) zedwala eliqinile
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Izinti zamazinyo ze-API Mill IADC217 12 1/4 amayintshi (311mm) okubhoboza umthombo
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Amabhithi okubhoboza anentengo ephansi i-IADC217 angu-14 3/4 amayintshi (374mm) edwala eliqinile