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Cutting Tools
1
Thread type
M
M
M-LH
MF
BSW
G
UNF
UNC
Colour ring
Order No.
1604
1618
1612
1627
1635
1640
1650
1647
Threaded section
M1–M30
M2–M20
M3–M20
M2–M52
W 1/8"–W 1"
G 1/8"–G 2"
Nr. 0–80"–
1–12"
Nr. 1–64"–
1–8"
For through threads
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
For blind holes
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
≤ 3 x D
Type/form
N
INOX
N
N
N
N
N
N
Material
HSS
HSS-E
HSS
HSS
HSS
HSS
HSS
HSS
Tolerance zone
ISO 2 6H
ISO 2 6H
ISO 2 6H
ISO 2 6H
mittel
ISO 228/1
2 B
2 B
Surface
Bright
Bright
Bright
Bright
Bright
Bright
Bright
Bright
Page
1/164
1/165
1/165
1/166
1/167
1/168
1/168
1/169
Steels
up to
850
N/mm
2
C
C
C
C
C
C
C
C
Steels
up to
1000
N/mm
2
C
C
C
C
C
C
C
C
Steels
up to
1400
N/mm
2
U
U
U
U
U
U
U
U
Steels
up to
42 HRC
V
V
V
V
V
V
V
V
Steels
up to
52 HRC
Steels
up to
56 HRC
Steels
up to
60 HRC
Hard
processing
over
60 HRC
Stainless
and acid-
resistant
steels (INOX)
U
C
U
U
U
U
U
U
Ti steels,
Ti alloys,
special
steels
V
V
V
V
V
V
V
V
Cast-iron
materials
U
U
U
U
U
U
U
U
Al, Al- and
Mg alloy
C
C
C
C
C
C
C
C
Copper,
brass,
bronze
C
C
C
C
C
C
C
C
Overview – Hand and machine thread taps
Material group
C
recommended
U
suitable
V
limited suitability
Thread cutting tools
170