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Mupi wemabhiti eroller cones IADC216 5 5/8 inches (143mm)
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Zvidimbu zve roller zvakavharirwa IADC216 5 7/8inches (149mm)
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Zvidimbu zveTricone zviripo IADC216 6 3/4 inches (171mm)
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Rotary dill bit IADC216 7 7/8 inches (200mm)
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Mupi wemabhiti eRotary IADC216 10 5/8 inches (269mm)
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Tenga mabhiti ekuboorera IADC216 17.5″ (444.5mm)
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Zvidimbu zveTricone IADC217 4.5 inches (114mm) zvekuboorera matsime ematombo akadzika
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API yakavharwa roller cone bit yekuboorera IADC217 5 7/8 inches (149.2mm)
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Mupi weAPI bits IADC217 8 3/4 inches (222.2mm)
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mabhiti ekuboorera akawanda IADC217 17.5 inches (444.5mm)
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Chigadzirwa chesimbi che tricone bit factory IADC114 17.5 inches(444.5mm)
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Zvidimbu zvekuboorera simende IADC127 4 3/4 inches (120mm)