accueil > CENTERING - SPOTTING > Centre drills
Centre drills
radius - form R
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.

The magafor centre drill with radius thanks to its special profile, is more robust than the 60° centre drill :
the radius eliminates the risk of breakage
it provides an exact bearing
it serves as a protective chamfer.
General tolerances
Magafor 187
Material :
HSS-E Cobalt
Form :
With radius-Form R
Serie :
right hand cut, long series
Use :
machine use
Type :
Metric
Catalog 219 :
L
Dxd
R
Reference
€ Unit
120
4,0x1,0
3,9
3,3-3,6
81187041120
50,48
120
5,0x1,5
5,0
4,5-4,9
81187051512
49,33
120
6,0x2,0
5,8
5,4-5,8
81187062120
49,33
120
8,0x2,5
8,0
7,5-8,0
81187082512
57,36
120
10,0x3,0
10,0
8,9-9,4
81187103120
65,39
120
10,0x4,0
10,0
10,0-10,6
81187104120
65,39