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Cutting Tools
1
Design:
HSS, DIN 5157, type N, bright surface.
Application:
For pipe threads according to DIN ISO 228/1 (DIN 259).
Particularly suitable for high strength materials up to 1200 N/mm
2
in
strength and rust-free and acid-resistant steels.
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
1638
C
C
U
V
U
V
U
C
C
1639
C
C
U
V
U
V
U
C
C
1640
C
C
U
V
U
V
U
C
C
Order
No.
Thread
inch
1638
bright
1639
bright
1640
bright
Threads
per
inch
Thread ∅
mm
Total length
mm
Square shank
mm
Core hole ∅
mm
0001
G 1/8
11.35
11.35
20.90
28
9.728
63
5.5
8.80
0003
G 1/4
13.90
13.90
25.40
19
13.157
70
9.0
11.80
0005
G 3/8
18.15
18.15
33.60
19
16.662
70
9.0
15.25
0007
G 1/2
26.50
26.50
48.60
14
20.955
80
12.0
19.00
0009
G 5/8
35.50
35.50
65.10
14
22.911
80
14.5
21.00
0011
G 3/4
43.90
43.90
80.60
14
26.441
90
16.0
24.50
0013
G 7/8
60.70
60.70
112.00
14
30.201
90
18.0
28.25
0015
G 1
73.40
73.40
135.00
11
33.249
100
20.0
30.75
0017
G 1.1/4
172.50
172.50
316.00
11
41.910
125
24.0
39.50
0019
G 1.1/2
215.00
215.00
396.50
11
47.803
140
29.0
45.25
0021
G 2
316.00
316.00
576.50
11
59.614
160
35.0
57.00
(W160)
(W160)
(W160)
Hand tap
1638
Roughing tap with point form A (6–8 threads).
Bright
1639
Finish tap with point form C (2–3 threads).
Bright
1640
2 piece set consisting of (order no. 1638, 1639).
Bright
Finish tap
bright
2–3
C
Roughing tap
bright
6–8
A
Design:
HSS, DIN 2184, type N, bright surface.
2 piece set consisting of roughing tap with point form A (6–8 threads)
and finish tap with point form C (2–3 threads).
Application:
For UNF fine thread unit ANSI B1.1. Particularly suitable
for high strength materials up to 1200 N/mm
2
in strength and rust-
free and acid-resistant steels.
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
1650
C
C
U
V
U
V
U
C
C
Hand tap set
Continued overleaf
Roughing tap
bright
Finish tap
Order
No.
Thread
inch
1650
bright
Threads
per
inch
Thread ∅
mm
Total length
mm
Square shank
mm
Core hole ∅
mm
0001
UNF Nr. 0
33.80
80
1.524
32
2.1
1.30
0003
UNF Nr. 1
30.40
72
1.854
36
2.1
1.60
0005
UNF Nr. 2
28.80
64
2.184
36
2.1
1.90
0007
UNF Nr. 3
26.50
56
2.515
40
2.1
2.10
0009
UNF Nr. 4
23.40
48
2.845
40
2.7
2.40
0011
UNF Nr. 5
22.40
44
3.175
40
3.0
2.70
0013
UNF Nr. 6
22.40
40
3.505
45
3.0
3.00
0015
UNF Nr. 8
21.40
36
4.166
45
4.9
3.50
0017
UNF Nr. 10
22.40
32
4.826
50
4.9
4.10
0019
UNF Nr. 12
23.90
28
5.486
56
4.9
4.70
(W160)
G
HSS
DIN
5157
Type
N
55°
≤ 3xd
UNF
HSS
DIN
2184
Type
N
60°
2–3
C
6–8
A
≤ 3xd
Thread cutting tools
186