168 / 190
Ø d
1
P
mm
L
1
L
2
d
2
STEEL
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
68500
bright
7H
P1 general construction steel K2+K3 spheroidal and malleable cast iron
LH
68505
bright
7H
Tr 10
2
110 65 7
5,5 8.2
Tr 12
3
160 110 8
6,2 9.25
Tr 14
3
160 110 10 8
11.25
Tr 16
4
200 130 11 9
12.3
Tr 18
4
200 130 12 9
14.3
Tr 20
4
200 130 15 12 16.3
Tr 22
5
240 155 16 12 17.3
Tr 24
5
240 155 18 14,5 19.3
Tr 26
5
260 165 20 16 21.3
Tr 28
5
270 170 22 18 23.3
Tr 30
6
290 190 22 18 24.3
Tr 32
6
300 190 25 20 26.3
Tr 36
6
320 200 28 22 30.3
Tr 40
7
390 250 32 24 33.5
L
1
d
1
L
2
d
2
2xd
1
Cutting Data
Single Finishing Machine Taps
internal standard HSS-E
2-step design, RH thread - LH spiral flutes 6°
LH thread - RH spiral flutes 6°, for general construction steel
Group 6850
for through holes
TR - ISO Metric Trapezoidal Thread DIN 103 1977
6.6