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Cutting Tools
1
Thread type
M
M
M
M
M
M
M
M
M
M
Colour ring
yellow
yellow
yellow
yellow
yellow
green
green
green
green
green
Order No.
1676
1679
1678
1682
1671
1683
1672
1684
1700
1674
Threaded section
M1–M10 M3–M30 M1,4–M30 M2–M30 M2–M30 M2–M30 M3–M20 M2–M30 M3–M20 M3–M20
For through threads
≤ 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
Type/form
N/B
N/B
N/B
NR 40/C
N/C
N/B
N/B
NR 40/C
NR 40/C
N/C
Material
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
Tolerance zone
ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H
Surface
Steam
Steam
TiN
Steam
TiN
Steam
TiN
Steam
TiN
TiN
Page
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Steels
up to
850
N/mm
2
C
C
C
C
C
C
C
C
C
C
Steels
up to
1000
N/mm
2
C
C
C
C
C
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
processing
over
60 HRC
Stainless
and acid-
resistant
steels (INOX)
U
U
Ti steels,
Ti alloys,
special
steels
Cast-iron
materials
U
U
U
Al, Al- and
Mg alloy
U
U
U
U
U
U
U
Copper,
brass,
bronze
Overview - Machine thread drills
Material group
C
recommended
U
suitable
V
limited suitability
Thread cutting tools
172