Checchi & Magli SP 140 Manuel D'utilisation Et D'entretien page 59

Nuts and bolts tightening torques chart
Thread
diameter
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
M 27
English language
MAINTENANCE INFORMATION
Nuts and bolts tightening torques
Thread Resistance class
pitch (mm) 8.8 (Nm)
0,7
0,8
1
1,25
1,5
1,75
2
2
2,5
2,5
2,5
3
3
Resistance class
10.9 (Nm)
2.7 3.8
5.5 8.0
9.5 13.0
23.0 32.0
46.0 64.0
80.0 110.0
125.0 180.0
195.0 275.0
270.0 390.0
385.0 540.0
510.0 720.0
660.0 930.0
980.0 1400.0
25
7
Resistance class
12.9 (Nm)
4.6
9.5
16.0
39.0
77.0
135.0
215.0
330.0
455.0
650.0
870.0
1100.0
1650.0
Use and maintenance