Tightening torques
Unless a tightening torque is specified in the text, the following torques can be used.
■
Electrical connections
Size
M3
0.5 N·m (4.4 lbf·in)
M4
M5
M6
M8
M10
M12
M16
120 N·m (90 lbf·ft)
■
Mechanical connections
Size
M5
M6
10 N·m (7.4 lbf·ft)
M8
24 N·m (17.7 lbf·ft)
■
Insulation supports
Size
M6
M8
M10
18 N·m (13.3 lbf·ft)
M12
■
Cable lugs
Size
M8
M10
32 N·m (23.5 lbf·ft)
M12
Torque
1 N·m (9 lbf·in)
4 N·m (35 lbf·in)
9 N·m (6.6 lbf·ft)
22 N·m (16 lbf·ft)
42 N·m (31 lbf·ft)
70 N·m (52 lbf·ft)
Max. torque
6 N·m (53 lbf·in)
Max. torque
5 N·m (44 lbf·in)
9 N·m (6.6 lbf·ft)
31 N·m (23 lbf·ft)
Max. torque
15 N·m (11 lbf·ft)
50 N·m (37 lbf·ft)
Technical data 295
Note
Strength class 4.6...8.8
Strength class 4.6...8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Note
Strength class 8.8
Strength class 8.8
Strength class 8.8
Note
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Note
Strength class 8.8
Strength class 8.8
Strength class 8.8