164 / 190
Ø d
1
P
mm
L
1
L
2
d
2
HIGH
STRENGTH
Art.-No.
available – intermediate size on request
Technology
Chamfer Length
Surface
Tolerance
Cutting Data
Page 8.1
Page 8.2
Page 8.3
Page 8.4
Page 8.5
1/8"
27
90 12 7
5.5 8.5
1/4"
18
100 20 11 9
11
3/8"
18
100 22 12 9
14.5
1/2"
14
125 26 16 12 17.85
3/4"
14
140 26 20 16 23.2
1"
11.5
160 36 25 20 29.0
1 1/4"
11.5
170 30 32 24 37.8
1 1/2"
11.5
190 36 36 29 44.0
2"
11.5
220 36 45 35 56.0
Red Ring
17500
C / 2-3 x P
bright
P2 high strength steel M1 chemical resistant steel
L
1
d
1
L
2
d
2
2xd
1
Cutting Data
Machine Taps Red Ring
internal standard HSS-E PM
RH spiral flutes 15°
for high strength steel
Group 1750
for blind and through holes
NPT - American Tapered Pipe Thread ANSI B 1.20.1
NPT / PG / TR
6.2