Hatz 2-4L30, Workshop Manual

Page: 136 / 174

4
L / M . . / 07.96
Tightening torques for threaded connections
General requirements in Nm:
Nm ÷ 9.81(10) = kpm
Nm ÷ 1.3558 = lb ft
8.8 5.8 10.9 12.9
Thread
Screw strength rating
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
1.7
3.4
6.0
14
29
50
80
120
170
240
320
2.8
5.5
9.5
23
46
80
130
190
270
380
510
3.9
7.8
13
33
65
110
180
270
380
530
720
4.7
9.3
16
39
78
140
220
330
450
640
860