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Matatu makoni mabhiti fekitori IADC217 3 7/8 inches (98mm)
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Tricone bits IADC217 4.5 inches (114mm) yekuchera tsime rakadzika.
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API yakavharwa roller cone bit yekuchera IADC217 5 7/8 inches (149.2mm)
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Rotary drilling bits IADC217 6 inches (152mm)
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API yakakuya mazino matatu makoni mabhiti IADC217 7.5 inches (190mm) mustock
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API mafuta simbi mazino mabhiti IADC217 8.5 inches (215mm) yekuchera dombo
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API bits supplier IADC217 8 3/4 inches (222.2mm)
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Mabhiti ekuchera matsime akadzika IADC217 11 5/8 inches (295.3mm) yedombo rakaoma
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API Mill zino bhiti IADC217 12 1/4 inches (311mm) yekuchera matsime
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Mutengo wakaderera wekuchera mabhiti IADC217 14 3/4 inches (374mm) yedombo rakaoma
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wholesale drilling bits IADC217 17.5 inches (444.5mm)