Page 323 - Hartner

Stepped drills for centering to DIN 332

85910 85911
118 o
90° 60° S 138 HSS 138

d 3
counters. form D counters. form DR
d 1
d 2
l 5 l 4 15 o
N N
l 2
l 1
d3 h7 d2 d1 h8 s l1 l2 l4 l5 for
Availability
mm mm mm mm mm mm mm mm
8.000 4.300 3.300 6.75 63.00 23.00 1.60 11.00 M 4 l l
10.000 5.300 4.200 8.45 67.00 27.00 2.15 13.00 M 5 l l
12.500 6.400 5.000 10.45 71.00 33.00 2.90 16.00 M 6 l l
14.000 8.400 6.800 12.50 88.00 41.00 3.50 19.50 M 8 l l
16.000 10.500 8.500 14.85 94.00 47.00 4.70 23.00 M10 l l
20.000 13.000 10.200 18.45 105.00 59.00 6.50 28.00 M12 l m
25.000 17.000 14.000 23.40 132.00 67.00 8.30 33.00 M16 l l
31.500 21.000 17.500 29.35 145.00 76.50 10.35 38.00 M20 l
40.000 25.000 21.000 36.50 160.00 90.00 12.00 45.00 M24 l

Intermediate sizes available.

A TiAlN AlTiN nano A AlTiN TiCN F FIRE T TiN TiAlSiN

317

06_Stubo_Zentrier.indb 317 28.11.11 15:09