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Cutting Tools
Overview – Machine thread drills
Material group
Steels
up to
850
N/mm
2
Steels
up to
850
N/mm
2
Steels
up to
850
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)
C
C
C
C
C
U
C
Ti steels,
Ti alloys,
special
steels
Cast iron
materials
Al,
AI and
Mg alloys
Copper,
brass,
bronze
Thread type
M
M
M
M
M
M
M
Colour ring
blue
blue
blue
blue
blue
blue
blue
Order No.
1686
1675
1698
1694
1699
1690
1701
Threaded section
M2–M30
M3–M20
M3–M20
M2–M20
M2–M20
M3–M30
M2–M30
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
Type/form
INOX/B
INOX/B
INOX/B
INOX/B
INOX/B
INOX/C
INOX/C
Material
HSS-E
HSS-E
HSS-E
HSS-E PM
HSS-E PM
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
Surface
bright
steam
TiN
bright
TiN
bright
steam
Page
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C
recommended
U
suitable
V
limited suitability
Thread Cutting Tools
164