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Mupi weAPI wezvidhinha zvekuboorera matombo akadzika IADC537 9 5/8″(244.5mm)
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API TCI button bit IADC537 9 7/8″(250mm) yekuboorera matsime ematombo akaomarara
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Bhatani Rekutenderera IADC537 3 7/8″ (98mm)
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Zvidimbu zveTricone IADC537 4 3/4″ (120.6mm)
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API tricone drill bit IADC537 14 3/4″ (374mm) yedombo rakaoma
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Mabhiti eTricone IADC537 4 5/8″ (118mm)
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API tricone rock bit IADC537 5 1/4″ (133mm)
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API rock drill bit IADC537 5 1/2” (139.7 mm) yetsime rakaoma
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Zvidimbu zveAPI drill IADC537 5 5/8″ (142.9mm)
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Zvidhinha zvekuboorera zve tungsten carbide zvinomhanya zvakanyanya IADC537 5 7/8″ (149mm)
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Zvidimbu zvematombo eTricone IADC537 6 inches (152.4 mm)
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Rotary tricone bit IADC537 6 1/4 inches (159 mm)