Rotabroach SITEH3RO 4mm to 12mm Step Drill - SD412 Allen-Keys With its high volume setting

With its high volume setting you can hear your music no matter how noisy your jobsite is

making it ideal for demanding professional applications

With 3800 strokes per minute

Pneumatic all-terrain wheels with sealed ball bearings & steel wheel guards

Rotabroach SITEH3RO 4mm to 12mm Step Drill - SD412 Allen-Keys With its high volume settingDesigned 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 materials. 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.