Version:
With point geometry shape C.
Advantage:
Particularly suitable for drilling under difficult conditions, e.
g.
insufficient cooling of the cutting edges due to poor chip evacuation.
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 reliabilityThông tin kỹ thuật