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Articles marked ◊ are not held in stock, procurement is effected at short notice.
1
Cutting Tools
Design:
HSS, type N.
Profile grinding, steam tempered surface, right cutting, with precise point geometry.
Point thinning according to DIN 1412, form A. Normal angle of rake, core thickness and
core gradient. Drilling and countersinking are produced in a single step, aligned to each other.
∅ tolerance: d
1
= h9
d
2
= h8
Note:
The cutting speed is orientated towards the large diameter, the feed towards the small
diameter.
Multiple twist stepped drill with cyl. Shank
With Morse taper Shank DIN 8379 or VHM design available on request.
Design:
DIN 8378, 90° countersink angle.
Application:
For thread core holes according to DIN 336, part 1 and 90° free countersinking
corresponding with the through-holes according to DIN EN 20273.
Order No.
Steels
up to
850
N/mm
2
Steels
up to
1000
N/mm
2
Steels
up to
1400
N/mm
2
Steels
up to
42 HRC
Steels
up to
52 HRC
Steels
up to
56 HRC
Steels
up to
60 HRC
Hard
machining
over
60 HRC
Stainless
and acid-
resistant
steels (INOX)
Ti steels,
Ti alloys,
special
steels
Cast iron
materials
Al,
AI and
Mg alloys
Copper,
brass,
bronze
1109
16
30
30
50
1112
16
30
30
50
1115
16
30
30
50
Order
No.
for
tapped
holes
1109
steam
Drill ∅ d
1
x
countersink ∅ d
2
mm
Overall
length l
1
mm
Spiral
length I
2
mm
Drill step
length l
3
mm
0030
M3
15.90
2.5 x 3.4
70
39
8.8
0040
M4
17.40
3.3 x 4.5
80
47
11.4
0050
M5
17.80
4.2 x 5.5
93
57
13.6
0060
M6
22.40
5.0 x 6.6
101
63
16.5
0080
M8
26.60
6.8 x 9.0
125
81
21.0
0100
M10
32.70
8.5 x 11.0
142
94
25.5
0120
M12
37.80
10.2 x 13.5
160
108
30.0
(104)
90° multiple twist stepped drill for core holes
With Morse taper Shank DIN 8379 or VHM design available on request.
DIN
8378
steam
Design:
DIN 8374, 90° countersink angle, fine.
Application:
For screw through-holes according to DIN EN 20273 and 90° screw head counter-
sinking. Form A and B according to DIN 74, part 1. For screws according to DIN 963 and DIN 964.
Order
No.
for
tapped
holes
1112
steam
Drill ∅ d
1
x
countersink ∅ d
2
mm
Overall
length l
1
mm
Spiral
length I
2
mm
Drill step
length l
3
mm
0030
M3
18.95
3.2 x 6.0
93
57
9
0040
M4
22.00
4.3 x 8.0
117
75
11
0050
M5
27.80
5.3 x 10.0
133
87
13
0060
M6
31.10
6.4 x 11.5
142
94
15
0080
M8
51.70
8.4 x 15.0
169
114
19
0100
M10
79.70
10.5 x 19.0
198
135
23
(104)
90° multiple twist stepped drill for through-holes
DIN
8374
steam
Design:
DIN 8376, 180° countersink angle, medium.
Application:
For screw through-holes according to DIN EN 20273 and 180° screw head coun-
tersinking. Form H, J and K according to DIN 84, DIN 912, DIN 6912, DIN 7513 and DIN 7984.
180° multiple twist stepped drill for through-holes
DIN
8376
steam
Order
No.
for
tapped
holes
1115
steam
Drill ∅ d
1
x
countersink ∅ d
2
mm
Overall
length l
1
mm
Spiral
length I
2
mm
Drill step
length l
3
mm
0030
M3
19.10
3.4 x 6
93
57
9
0040
M4
22.10
4.5 x 8
117
75
11
0050
M5
26.80
5.5 x 10
133
87
13
0060
M6
31.00
6.6 x 11
142
94
15
0080
M8
38.90
9.0 x 15
169
114
19
0100
M10
81.00
11.0 x 18
191
130
23
(104)
With Morse taper Shank DIN 8377 or VHM design available on request.
Type
N
HSS
118°
25–30°
Drilling tools
Not all items are available in every country.
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