ABB M2000 Product Manual page 197

The table below specifies the recommended standard tightening torque for oil-lubricated
screws with slotted or cross-recess head screws.
Dimension
M2.5
M3
M4
M5
M6
The table below specifies the recommended standard tightening torque for oil-lubricated
screws with Allen head screws.
Dimension
M5
M6
M8
M10
M12
M16
The table below specifies the recommended standard tightening torque for Molycote-
lubricated screws with Allen head screws.
Dimension
M8
M10
M12
M16
3HAC023297-001 Revision: A
• Only use correctly calibrated torque keys.
• Always tighten the joint by hand, and never use pneumatical tools.
• Use the correct tightening technique, i.e. do not jerk. Tighten the screw in a slow,
flowing motion.
• Maximum allowed total deviation from the specified value is 10%!
Tightening torque (Nm)
Class 4.8, oil-lubricated
0.25
0.5
1.2
2.5
5.0
Tightening torque
(Nm)
Class 8.8, oil-
lubricated
6
10
24
47
82
200
Tightening torque (Nm)
Class 10.9, Molycote-lubricated
28
55
96
235
1 Reference information
Tightening torque Tightening torque
(Nm) (Nm)
Class 10.9, oil- Class 12.9, oil-
lubricated lubricated
- -
- -
34 40
67 80
115 140
290 340
Tightening torque (Nm)
Class 12.9, Molycote-lubricated
34
66
115
280
1.4. Screw joints
15