accueil > CENTERING - SPOTTING > Centre drills
Centre drills
Short ASA centre drill
90° angle
long serie
HSS = hardness 63 HRC, to machine steels up to 800 N/mm², copper, brass, bronze, aluminium up to 6% Si.

These centre drills are designed to machine chamfers in sheets and for spoting operation prior to drilling.
General tolerances
Magafor 155L
American standard
Material :
HSS
Form :
90° angle
Serie :
right hand cut, long series
Use :
machine use
Type :
Inch
Catalog 239 :
ASA
N°
Dxd
mm
Dxd
inch
L
Reference
€ Unit
1x3"
3,17x1,19
1/8x3/64
76
81155L01030
20,06
1x4"
3,17x1,19
1/8x3/64
102
81155L01040
37,69
1x5"
3,17x1,19
1/8x3/64
127
81155L01050
49,85
1x6"
3,17x1,19
1/8x3/64
152
81155L01060
54,73
2x3"
4,76x1,98
3/16x5/64
76
81155L02030
21,28
2x4"
4,76x1,98
3/16x5/64
102
81155L02040
34,65
2x5"
4,76x1,98
3/16x5/64
127
81155L02050
48,05
2x6"
4,76x1,98
3/16x5/64
152
81155L02060
55,95
3x4"
6,35x2,77
1/4x7/64
102
81155L03040
35,27
3x5"
6,35x2,77
1/4x7/64
127
81155L03050
51,08
3x6"
6,35x2,77
1/4x7/64
152
81155L03060
57,77
4x4"
7,93x3,17
5/16x1/8
102
81155L04040
36,49
4x5"
7,93x3,17
5/16x1/8
127
81155L04050
57,77
4x6"
7,93x3,17
5/16x1/8
152
81155L04060
63,24
4-1/2x6"
9,52x3,57
3/8x9/64
152
81155L04560
76,01
5x4"
11,11x4,76
7/16x3/16
102
81155L05040
48,64
5x5"
11,11x4,76
7/16x3/16
127
81155L05050
79,04
5x6"
11,11x4,76
7/16x3/16
152
81155L05060
87,57
6x4"
12,7x5,55
1/2x7/32
102
81155L06040
51,68
6x5"
12,7x5,55
1/2x7/32
127
81155L06050
82,10
6x6"
12,7x5,55
1/2x7/32
152
81155L06060
91,21
7x6"
15,87x6,35
5/8x1/4
152
81155L07060
103,37
8x6"
19,05x7,93
3/4x5/16
152
81155L08060
133,78