39
Hexagonal-head bolts with flange
Max. tightening torque [Nm]
Type Steel class 90
M5 9
M6 16
M8 34
M10 58
M12 97
M16 215
Cheese-head Torx Fastite screw
Max. tightening torque [Nm]
Type Steel class 8.8
M6 20
The values in the tables must be used unless the torque is
specified in the table of joint types.
Nuts and bolts
Max. tightening torque [Nm]
Type Steel class 8.8
M4 3
M5 5
M6 9
M8 22
M10 45
M12 75
M16 185
Cheese-head socket screws
Max. tightening torque [Nm]
Type Steel class 8.8
M4 2
M5 4
M6 8
M8 12
M10 35
M12 50
M16 110
Socket-head screws and round-headed Torx
Max. tightening torque [Nm]
Type Steel class 8.8 Steel class 10.9
M4 2 2
M5 4 4
M6 8 8
M8 12 12
M10 30
M12 60
A. Tightening torques for steel screws and
nuts/bolts