accueil > CENTERING - SPOTTING > Centre drills
Centre drills
60° Angle with chamfer
form B
long serie
HSS-E COBALT
HSS-E Cobalt = hardness 65 HRC, to machine steels up to 1000 N/mm², cast iron up to 180 HB, copper, brass, bronze, aluminium.

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
Magafor 189
Material :
HSS-E Cobalt
Form :
Angle 60°-Form B
with 120° chamfer
Serie :
right hand cut, long series
Use :
machine use
Type :
Metric
Catalog 219 :
L
Dxd
K
Reference
€ Unit
120
4,0x1,0
2,1
1,3-1,7
81189041120
76,87
120
5,0x1,5
3,0
2,0-2,6
81189051512
72,27
120
6,0x2,0
4,0
2,5-3,1
81189062120
72,27
120
8,0x2,5
5,5
3,1-3,8
81189082512
84,91
120
10,0x3,0
7,0
3,9-4,6
81189103120
98,67