Version:
Significantly strengthened core without taper.
Precision ground point.
With specially shaped slots. Designed for deep holes up to 10×D and materials with critical chip formation characteristics.
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.