Version:
With point geometry shape A from size 2.5 mm.
Strengthened core without core taper. Precision ground point. Wide flutes with heavily honed back edges. Bright ground surface finish.
Advantage:
For deep hole drilling and for use with drill bushings.
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.