Step Drill Spiral Flute

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  • Description

Titanium nitride coating. Self starting split point drills and deburrs holes in one process. Split point. Edge breaker deburrs back end of hole. Variable spiral flute. Hole ø is laser edged. Speed ø is laser edged. With ROTASTOP non-slip shaft. The contour of the ROTASTOP tool bit ensures improved transmission of the torque. ROTASTOP practically chucks itself automatically by means of the rising contours. The result is no slipping in the chuck and precise results when machining metals.

Available in 4-12mm, 4-20mm, 6-30mm, 6-36mm