accueil > CENTERING - SPOTTING > Centre drills
Centre drills
60° Angle with chamfer
form B with flat
HSS-E COBALT
HSS-E Cobalt + TiN = hardness 65 HRC, to machine steels up to 1000 N/mm², cast irons up to 200HB, copper, brass, bronze, aluminium. The TiN coating  hardness 2300 HV increases the tool life for intensive use.

Centre drills with protective chamfer quarantee the centre obtained from any risk of blows and deformation.
The play resulting from the protective chamfer makes it easier to load parts between points on machine with automatic feed.
General tolerances
TiN 0892
ISO ˜ NFE 66051-B ˜ DIN 333-B ˜ JIS-2
Material :
HSS-E Cobalt
Coating :
TiN
Form :
Angle 60°-Form B
with 120° chamfer
Serie :
right hand cut, shorts, with flat
Use :
machine use
Type :
Metric
Catalog 219 :
Dxd
L
K
P -0,1
Reference
€ Unit
6,3x1,6
45
3,3
2,0-2,6
5,35
80089206316
20,19
8,0x2,0
50
4,2
2,5-3,1
6,95
80089208200
23,52
10,0x2,5
55
5,3
3,1-3,8
8,40
80089210250
33,16
11,2x3,15
63
6,7
3,9-4,6
10,00
800892112315
46,46
14,0x4,0
69
8,5
5,0-5,9
12,65
80089214400
59,09
18,0x5,0
77
10,6
6,3-7,2
16,40
80089218500
83,18
20,0x6,3
80
13,2
8,0-8,9
17,90
80089220630
102,69