Page 327 - Hartner

Stepped drills for centering to DIN 332

180°
MT 85914
MK
60° 90° d 1 d 2 d 3 HSS
138
counters. form D
l 5 l 4
N
l 2
l 1
d3 h7 d2 d1 h8 MT l1 l2 l4 l5 for
Availability
mm mm mm mm mm mm mm
14.000 8.400 6.800 1 110.00 41.00 3.50 19.50 M 8 l
16.000 10.500 8.500 2 131.00 47.00 4.70 23.00 M10 l
20.000 13.000 10.200 2 145.00 59.00 6.50 28.00 M12 l
25.000 17.000 14.000 3 172.00 67.00 8.30 33.00 M16 l
31.500 21.000 17.500 3 184.00 76.50 10.35 38.00 M20 l
40.000 25.000 21.000 4 222.00 90.00 12.00 45.00 M24 l

Intermediate sizes available.

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

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06_Stubo_Zentrier.indb 321 28.11.11 15:09