Hatz 2-4L30 - Tightening Torques for Threaded Connections

4
L / M . . / 07.96
Tightening torques for threaded connections
General requirements in Nm:
Nm ÷ 9.81(10) = kpm
Nm ÷ 1.3558 = lb ft
8.85.8 10.9 12.9
Thread
Screw strength rating
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
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