Tightening torques

Tightening torques 1:

The value for the tightening torque [1] of the clamping screw is punched into the clamping hub from above.

 

 

 

 

 

 

Information on the screw sizes and tightening torques can be found in the table below:

Quality of clamping hub bolt = strength class 12.9

Clamping hub diameter [mm]

Clamping screw H

Width across flats [mm]

Tightening torque [Nm]

Maximum axial force [N]

8

M3

2.5

2

70

9

M3

2.5

2

70

11

M4

3

4.1

70

14

M5

4

9.5

70

16

M6

5

14

150

19

M6

5

14

150

24

M8

6

35

220

28

M6

5

14

220

32

M10

8

79

300

38

M10

8

79

300