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8 Reference information
8.4 Screw joints
Continued
Oil-lubricated screws with slotted or cross-recess head screws
The following table specifies the recommended standard tightening torque for
oil-lubricated screws with slotted or cross-recess head screws.
Oil-lubricated screws with allen head screws
The following table specifies the recommended standard tightening torque for
oil-lubricated screws with allen head screws.
Dimension
M5
M6
M8
M10
M12
M16
M20
M24
Lubricated screws (Molycote, Gleitmo or equivalent) with allen head screws
The following table specifies the recommended standard tightening torque for
screws lubricated with Molycote 1000, Gleitmo 603 or equivalent with allen head
screws.
Dimension
M8
Continues on next page
436
•
Always tighten the joint by hand, and never use pneumatic tools.
•
Use the correct tightening technique, that is do not jerk. Tighten the screw
in a slow, flowing motion.
•
Maximum allowed total deviation from the specified value is 10%!
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Tightening torque (Nm)
Class 8.8, oil-lubricated
6
10
24
47
82
200
400
680
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Tightening torque (Nm)
Class 10.9, lubricated
28
© Copyright 2007 - 2018 ABB. All rights reserved.
Tightening torque (Nm)
Class 10.9, oil-lubric-
ated
-
-
34
67
115
290
560
960
Tightening torque (Nm)
i
Class 12.9, lubricated
35
Tightening torque (Nm)
Class 12.9, oil-lubric-
ated
-
-
40
80
140
340
670
1150
i
Product manual - IRB 7600
3HAC022033-001 Revision: V
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