accueil > CENTERING - SPOTTING > Centre drills
Centre drills
60° Angle with chamfer
form B
left hand cut
HSS = hardness 63 HRC, to machine steels up to 800 N/mm², copper, brass, bronze, aluminium up to 6% Si.

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 173
ISO ˜ NFE 66051-B ˜ DIN 333-B ˜ JIS-2
Material :
HSS
Form :
Angle 60°-Form B
with 120° chamfer
Serie :
left hand cut, shorts
Use :
machine use
Type :
Metric
Catalog 219 :
Dxd
L
K
Reference
€ Unit
4,0x1,0
35
2,1
1,3-1,7
81173041000
19,79
5,0x1,25
40
2,6
1,6-2,0
81173051250
20,93
6,3x1,6
45
3,3
2,0-2,6
81173063160
24,38
8,0x2,0
50
4,2
2,5-3,1
81173082000
27,53
10,0x2,5
55
5,3
3,1-3,8
81173102500
29,26
11,2x3,15
62
6,7
3,9-4,6
81173112315
34,42
14,0x4,0
69
8,5
5,0-5,9
81173144000
45,89
18,0x5,0
77
10,6
6,3-7,2
81173185000
57,94
20,0x6,3
80
13,2
8,0-8,9
81173206300
76,87