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Cutting Tools
1
Thread type
MF
MF
MF
G
G
UNC
UNC
UNF
UNF
Colour ring
blue/red
blue/red
blue/red
blue/red
blue/red
blue/red
blue/red
blue/red
blue/red
Order No.
1794
1796
1797
1798
1799
1696
1697
1658
1659
Threaded section
M8 x 1,0–
M24 x 2,0
M4 x 0,5–
M20 x 1,5
M8 x 1,0–
M24 x 2,0
G1/8–G1
G1/8–G1
Nr. 4–40"–
3/4–10"
Nr. 4–40"–
3/4–10"
Nr. 4–48"–
5/8–18"
Nr. 4–48"–
5/8–18"
For through threads
≤ 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
N
N
N
N
N
N
N
N
Material
HSS-E PM HSS-E
HSS-E PM HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
HSS-E
Tolerance zone
ISO 2 6H
ISO 2 6H
ISO 2 6H
ISO 228
ISO 228
2 B
2 B
2 B
2 B
Surface
TiN
Bright
TiN
Bright
Bright
Bright
Bright
Bright
Bright
Page
1/211
1/212
1/212
1/214
1/214
1/217
1/217
1/220
1/220
Steels
up to
850
N/mm
2
C
C
C
C
C
C
C
C
C
Steels
up to
1000
N/mm
2
C
C
C
C
C
C
C
C
C
Steels
up to
1400
N/mm
2
C
C
C
C
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)
C
C
C
C
C
C
C
C
C
Ti steels,
Ti alloys,
special
steels
C
C
C
C
Cast-iron
materials
C
C
C
C
C
C
C
C
C
Al, Al- and
Mg alloy
C
C
C
C
C
C
C
C
C
Copper,
brass,
bronze
C
C
C
C
C
C
C
C
C
Material group
Overview - Machine thread drills
C
recommended
U
suitable
V
limited suitability
Thread cutting tools
181