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Makoni matatu edombo IADC517 10 5/8″ (269mm)
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Rotary tricone Bits IADC517 9 7/8″ (250mm) yedombo rakaoma
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Tricone Roller Bits IADC517 9.5 inches (241mm)
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Deep Well Tricone Bit IADC517 7 7/8 inches (200mm)
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Zvidimbu zvemabhatani ematombo eTCI akavharwa IADC517 6 1/2″ (165mm) ekuboorera tsime
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Zvidimbu zveTricone roller drill IADC517 6 1/4″ (159mm)
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API rotary button sealed bits IADC517 5 1/4″ (133mm) iripo