accueil > CENTERING - SPOTTING > Centre drills
Centre drills
Short ASA centre drill
82° 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 154L
American standard
Material :
HSS
Form :
82° 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
81154L01030
18,05
1x4"
3,17x1,19
1/8x3/64
102
81154L01040
33,90
1x5"
3,17x1,19
1/8x3/64
127
81154L01050
44,85
1x6"
3,17x1,19
1/8x3/64
152
81154L01060
49,25
2x3"
4,76x1,98
3/16x5/64
76
81154L02030
19,15
2x4"
4,76x1,98
3/16x5/64
102
81154L02040
31,20
2x5"
4,76x1,98
3/16x5/64
127
81154L02050
43,25
2x6"
4,76x1,98
3/16x5/64
152
81154L02060
50,35
3x4"
6,35x2,77
1/4x7/64
102
81154L03040
31,75
3x5"
6,35x2,77
1/4x7/64
127
81154L03050
45,95
3x6"
6,35x2,77
1/4x7/64
152
81154L03060
52,00
4x4"
7,93x3,17
5/16x1/8
102
81154L04040
32,85
4x5"
7,93x3,17
5/16x1/8
127
81154L04050
52,00
4x6"
7,93x3,17
5/16x1/8
152
81154L04060
56,90
4-1/2x6"
9,52x3,57
3/8x9/64
152
81154L04560
68,40
5x4"
11,11x4,76
7/16x3/16
102
81154L05040
43,80
5x5"
11,11x4,76
7/16x3/16
127
81154L05050
71,15
5x6"
11,11x4,76
7/16x3/16
152
81154L05060
78,80
6x4"
12,7x5,55
1/2x7/32
102
81154L06040
46,50
6x5"
12,7x5,55
1/2x7/32
127
81154L06050
73,90
6x6"
12,7x5,55
1/2x7/32
152
81154L06060
82,10
7x6"
15,87x6,35
5/8x1/4
152
81154L07060
93,05
8x6"
19,05x7,93
3/4x5/16
152
81154L08060
120,40