2DUBES170730S18

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Powerful drills for materials up to HRc48, NAK, SCM, and heat-treated steels. Suitable for long-term machining with excellent wear resistance HR coating. Adopted Point thinning to minimize cutting resistance. Maintains the stable lifespan of the tool with an optimized shape for heat dissipation. Achieves excellent chip evacuation with flute groove design considering chip evacuation and drill rigidity. Show more