170 / 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
LH
68105
bright
No. 1
P1 general construction steel K2+K3 spheroidal and malleable cast iron
LH
68205
bright
No. 2
LH
68305
bright
No. 3 = 7H
Tr 10
2
90 35 7
5.5 8.2
Tr 12
3
110 45 8
6.2 9.25
Tr 14
3
130 45 10 8
11.25
Tr 16
4
140 55 11 9
12.3
Tr 18
4
150 55 12 9
14.3
Tr 20
4
160 55 15 12 16.3
Tr 22
5
180 70 16 12 17.3
Tr 24
5
190 70 18 14.5 19.3
Tr 26
5
210 70 20 16 21.3
Tr 28
5
220 70 22 18 23.3
Tr 30
6
240 85 22 18 24.3
Tr 32
6
255 85 25 20 26.3
Tr 36
6
280 85 28 22 30.3
Tr 40
7
310 100 32 24 33.5
L
1
d
1
L
2
d
2
2xd
1
Cutting Data
Set of Taps
internal standard HSS-E
set of 3 pieces, RH spiral flutes 6°
for general construction steel
Group 6800 LH
for through holes
TR - ISO Metric Trapezoidal Thread DIN 103 1977
6.8