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.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
Note:
Suitable NC spotting drills No. 112120, 112140 and 112170 with 142° tip angle for enhanced process reliability
Successor product to No. 116050.
Through-coolant: no
Standard: DIN 340
Tolerance nominal ?: h8
Point angle: 118 degrees
Shank: Plain shank
Number of cutting edges Z: 2
recommended maximum drilling depth L2: 106 mm
Flute length Lc: 121 mm
Overall length L: 184 mm
Shank ? Ds: 10 mm
Feed f in steel < 750 N/mm2: 0.07 mm/rev.