HSCo centre cutting slot drills C102 and C123
A range of short cobalt drills (steel quality HSCo 8% Co) with cylindrical shank and flat face.
The shank diameter tolerance class is H6 and the cutting diameter is E8.
Helix geometry is 30° right-handed, the cut angle is 12° and the cut is centred.
C123 drills are available in Ø 2 mm to 6 mm, and from Ø 6.5 mm for C102.
Used to cut grooves to P9 tolerance.
dimensions (mm)
housing
Ø of cut
Ø of shank
useful L
Total L
1
2
6
7
51
2
2.5
6
8
52
3
3
6
8
52
4
3.50
6
10
54
5
4
6
11
55
6
4.50
6
11
55
7
5
6
13
57
8
5.50
6
13
57
9
6
6
13
57
10
6.5
10
13
57
11
7.50
10
16
66
12
9.50
10
19
69
13
14.00
12
26
83
14
15.00
12
26
83
15
16.00
16
32
92
Standards
ISO 1641 and DIN 844 K B
Flatted Shank - HSCo
These slot drills have a parallel shank with flats, diameter tolerance e8 (undersize h10), 3 flute, short length, centre cutting, 30° spiral, HSCo 8%. They are to DIN327 form D. Applications include keyway and slot milling, and production of closed slots by plunge feeding.
