HOLEX CleverDrill − Sturdy drill for all standard applications. Improved spot drilling behaviour due to cross-ground form. Standard core thickness and core taper. Profile ground. Surface: Bronze-coloured tempered helical flutes.
Maximum drilling depth:
flute length (see table) less 1.5×nominal ⌀.
Suitable NC spotting drills No. 112120, 112140 and 112170 with 142° tip angle for enhanced process reliability