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Zvidimbu zvetricone zvinotengeswa zvakanyanya IADC117 6 1/4 inches (159mm)
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Vagadziri veTricone bits IADC117 6 3/4 inches (171mm)
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Zvidimbu zveTricone IADC117 7.5 inches (190mm) zvetsime rematombo akaomarara
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Zvidimbu zvematombo eTricone IADC117 7 7/8 inches (200mm)
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Chigadzirwa cheAPI chezvidhinha zvematombo etricone IADC117 8 1/2 inches (216mm)
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Mupi wemabhiti ekuboorera eAPI IADC117 ane 8 3/4 inches (222mm) yekuboorera tsime
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API Rotary roller bits IADC117 9.5 inches (241mm) iri mudura
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Mutengo weTricone bits IADC117 9 7/8 inches (250mm)
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Zvidimbu zvetricone zvakagadzirwa neIADC117 13 5/8 inches (346mm)
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Zvidimbu zvekuboorera matsime zveChina IADC117 17.5 inches(444.5mm)
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API triocne drilling IADC125 17 1/2 inches (444.5mm)
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Mupi weMilled Tooth Bits IADC126 4.5 inches (114mm)