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Cutting Tools
1
Design:
HSS-E, DIN 374, Type N, with chamfered form B (4-5 threads).
Application:
Universal taps with a broad range of UNF thread,
unified fine thread, ANSI B1.1.
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
1658
15
12
4
10
2
10
15
15
Order
No.
Thread
inch
1658
steam
Threads
per inch
Thread ∅
mm
Total length
mm
Shank ∅
mm
Square shank
mm
Core hole ∅
mm
0000
UNF No.4
19.70
48
2.845
56
2.2
–
2.40
0002
UNF No.6
19.70
40
3.505
56
2.5
2.1
2.95
0001
UNF No.10
19.70
32
4.826
70
3.5
2.7
4.10
0005
UNF 1/4
24.20
28
6.350
80
4.5
3.4
5.50
0009
UNF 3/8
26.30
24
9.525
90
7.0
5.5
8.50
0017
UNF 5/8
44.30
18
15.875
100
12.0
9.0
14.50
(W163)
Through-hole machine tap
steam
Design:
HSS-E, DIN 374, Type N, with chamfered form C (2–3 threads).
Application:
Universal taps with a broad range of UNF thread,
unified fine thread, ANSI B1.1.
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
1659
12
10
6
10
15
15
Order
No.
Thread
inch
1659
steam
Threads
per inch
Thread ∅
mm
Total length
mm
Shank ∅
mm
Square Shank
mm
Core hole ∅
mm
0000
UNF No.4
22.20
48
2.845
56
2.2
–
2.40
0002
UNF No.6
18.50
40
3.505
56
2.5
2.1
2.95
0001
UNF No.10
17.25
32
4.826
70
3.5
2.7
4.10
0005
UNF 1/4
20.50
28
6.350
80
4.5
3.4
5.50
0009
UNF 3/8
22.20
24
9.525
90
7.0
5.5
8.50
0017
UNF 5/8
46.00
18
15.875
100
12.0
9.0
14.50
(W163)
Blind hole machine tap
steam
UNF
HSS-E
≈DIN
374
Tol.
2B
Type
N
60°
2–3
C
40°
≤ 3xd
UNF
HSS-E
≈DIN
374
Tol.
2B
Type
N
60°
4–5
B
≤ 3xd
Thread cutting tools
238