176 / 1618
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Cutting Tools
1
Thread type
M
M
M-LH
M-LH
M
MF
MF
MF
MF
MF
Colour ring
yellow
yellow
yellow
yellow
yellow
yellow
green
Order No.
1720
1721
1737
1724
1750
1753
1727
1755
1729
1736
Threaded section
M3–M10 M3–M10 M3–M20 M3–M20 M3–M20 M3–M30 M3–M30 M4–M30
M4–M24 M3–M30
For through threads
≤ 3 x D
≤ 3 x D
≤ 1,5 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
MS/C
H/C
N/B
N/C
N
N/B
N/B
NR 40/C
NR 40/C
N/B
Material
HSS-E Solid carbide
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
Tolerance zone
ISO 2 6G 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
Bright
Bright
Bright
Bright
Bright
Steam
TiN
Steam
TiN
Steam
Page
1/204
1/205
1/205
1/206
1/206
1/207
1/207
1/207
1/207
1/208
Steels
up to
850
N/mm
2
U
C
C
C
U
C
C
C
C
Steels
up to
1000
N/mm
2
U
U
C
Steels
up to
1400
N/mm
2
U
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
Ti steels,
Ti alloys,
special
steels
Cast-iron
materials
C
C
C
Al, Al- and
Mg alloy
C
C
C
U
C
C
Copper,
brass,
bronze
C
C
Overview - Machine thread drills
Material group
C
recommended
U
suitable
V
limited suitability
Thread cutting tools
176