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1
Cutting Tools
Design:
HSS-E, DIN 374, Type N, with chamfered form B
(4-5 threads). Steam tempered surface
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,
AI and
Mg alloys
Copper,
brass,
bronze
1658
15
12
4
10
2
10
15
5
Order
No.
Thread
Threads
per inch
1658
steam
Thread ∅
mm
Total length
mm
Shank ∅
mm
Square shank
mm
Core hole ∅
mm
0000
UNF No.4
48
19.30
2.845
56
2.2
–
2.40
0002
UNF No.6
40
19.30
3.505
56
2.5
2.1
2.95
0001
UNF No.10
32
19.30
4.826
70
3.5
2.7
4.10
0005
UNF 1/4
28
23.70
6.350
80
4.5
3.4
5.50
0009
UNF 3/8
24
25.80
9.525
90
7.0
5.5
8.50
0017
UNF 5/8
18
43.50
15.875
100
12.0
9.0
14.50
(163)
Through-hole machine tap
UNF HSS-E
≈DIN
374
Tol.
2B
steam
Design:
HSS-E, DIN 374, Type N, with chamfered form C
(2–3 threads). Steam tempered surface
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,
AI and
Mg alloys
Copper,
brass,
bronze
1659
12
10
6
10
15
15
Order
No.
Thread
Threads
per inch
1659
steam
Thread ∅
mm
Total length
mm
Shank ∅
mm
Square Shank
mm
Core hole ∅
mm
0000
UNF No.4
48
21.70
2.845
56
2.2
–
2.40
0002
UNF No.6
40
18.10
3.505
56
2.5
2.1
2.95
0001
UNF No.10
32
16.90
4.826
70
3.5
2.7
4.10
0005
UNF 1/4
28
20.10
6.350
80
4.5
3.4
5.50
0009
UNF 3/8
24
21.70
9.525
90
7.0
5.5
8.50
0017
UNF 5/8
18
45.10
15.875
100
12.0
9.0
14.50
(163)
Blind hole machine tap
UNF HSS-E
≈DIN
374
Tol.
2B
≤ 3xd
steam
m
m
Type
N
60°
≤ 3xd
Type
N
60°
40°
≤ 3xd
Thread cutting tools
228