Rotabroach SITEH3RO 4mm to 12mm Step Drill - SD412

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Designed with a spiral flute, split point and unique heat-resistant coating, the SITEH3RO step drill is an efficient, long-lasting solution for drilling holes into thin gauge mater ials. SITEH3RO tools incorporate a specialist coating to minimize heat production during cutting; this increases the lifespan of the tools up to 75% when compared to uncoated tools. Show more