Appendix
Tightening torques
83
TK Elevator
BA, TW45C | 6231003860 | 06/2022
10
Appendix
10.1
Tightening torques
DANGER
Insecure threaded connection.
Death or severe physical injury due to parts coming loose.
When working on the machine or replacing parts, care must be taken to
ensure that the prescribed bolt/screw strength and tightening torques
are complied with.
Only use suitable tools (torque wrench).
The values listed below apply to screwed connections with regular threads
(not fine threads):
▪
Slotted pan head tapping screws DIN 912 ISO 4762
▪
Hexagon head bolts DIN 931/933 ISO 4014/4017
▪
These specifications do not apply to microencapsulated bolts/nuts. The
specifications of the manufacturer apply here.
i
If other tightening torques are specified in the drawings or elsewhere in the
document for each screw size, these are to be complied with.
Tightness
8.8
10.9
12.9
Screw/bolt size
Tightening torque [Nm]
M4
2.6
-
-
M5
5.3
-
-
M6
9.0
12
15
M8
20
30
35
M10
40
60
75
M12
75
105
130
M14
120
170
205
M16
190
265
320
M20
370
520
620
M24
640
900
1080
M30
1300
1800
2150
Tab. 23
ASY_1_00_0001_0
10.2
Manufacturer information
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