74 / 1618
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Cutting Tools
1
Design:
DIN 333-A, 60° countersink angle.
Profile grinding
, right cutting.
∅ Tolerance: ∅ 1.0–2.5 = + 0.14 mm
∅ 3.15–5.0 = + 0.18 mm
∅ 6.3
= + 0.22 mm
Application:
Special centre drill for producing centre holes according
to DIN 332, sheet 1, form R (without protective countersinking).
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, Al and
Mg alloys
Copper,
brass,
bronze
1139
20
10
6
8
3
20
45
45
Order
No.
Drill ∅
d
1
k12
mm
1139
bright
Shank ∅
d
2
h8
mm
l
1
mm
For workpiece ∅
mm
6WHHOV
XSWR
1PP
f
mm/rev
0100
1.00
12.65
3.15
31.5
6– 8
0.02
0160
1.60
10.15
4.00
35.5
10– 15
0.02
0200
2.00
10.00
5.00
40.0
15– 20
0.03
0250
2.50
10.90
6.30
45.0
20– 30
0.03
0315
3.15
14.05
8.00
50.0
30– 40
0.04
0400
4.00
19.80
10.0
56.0
40– 63
0.05
0500
5.00
29.20
12.50
63.0
63–100
0.07
0630
6.30
51.20
16.00
71.0
100–150
0.09
0800
8.00
99.40
20.00
80.0
150–250
0.10
1000
10.00
200.50
25.00
100.0
< 250
0.12
(W101)
Centre drill with surface
bright
Design:
HSS Co5, according to factory standard.
Very sturdy model, profile grinding, right cutting, with precise
point geometry and narrow cross blade. With a side clearance
angle of 12°/30°. Helix angle smaller than normal, core thickness
considerably smaller than normal and taper normal.
From ∅ 6 mm with carrier surface according to DIN 1835-B.
∅ tolerance: h6.
Application:
For precise drill positioning. Used for centring and
chamfering thread holes in one step.
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, Al and
Mg alloys
Copper,
brass,
bronze
1140
12
10
8
8
3
22
50
40
1146
12
15
10
8
3
22
50
75
Order
No.
∅ h8
mm
1140
bright
1146
TiN
Slot length
mm
Total length
mm
6WHHOV
XSWR
1PP
f
mm/rev
0300
3
4.08
–
12
46
0.05
0400
4
4.46
–
12
55
0.06
0500
5
5.20
7.25
14
62
0.07
0600
6
6.85
9.70
16
66
0.09
0800
8
8.50
14.00
21
79
0.10
1000
10
11.60
18.90
25
89
0.13
1200
12
13.75
22.10
30
102
0.16
1600
16
22.60
31.30
38
115
0.20
2000
20
33.00
46.30
45
131
0.23
(W106)
(W106)
NC drilling device with cyl. Shank
90°
1146
TiN
1140
bright
HSS
Co5
Factory
standard
DIN
1835-B
HSS
DIN
333-R
60°
d
2
d
1
l
1
_
Drilling tools
74