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Dimension
M24
Lubricated screws (Molykote, 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
M10
M12
M16
M20
M24
i
Water and air connectors
The following table specifies the recommended standard tightening torque for
water and air connectors when one or both connectors are made of brass.
Dimension
1/8
1/4
3/8
1/2
3/4
Product manual - IRB 6650S
3HAC020993-001 Revision: AG
Tightening torque (Nm)
Class 8.8, oil-lubricated
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
55
96
235
460
790
Lubricated with Molycote 1000, Gleitmo 603 or equivalent
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Tightening torque Nm -
Nominal
12
15
20
40
70
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9 Reference information
Tightening torque (Nm)
Class 10.9, oil-lubric-
ated
960
Tightening torque (Nm)
i
Class 12.9, lubricated
35
70
120
300
550
950
Tightening torque Nm -
Min.
8
10
15
30
55
9.4 Screw joints
Continued
Tightening torque (Nm)
Class 12.9, oil-lubric-
ated
1150
i
Tightening torque Nm -
Max.
15
20
25
50
90
413
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