Appendix
Tightening torques 75
TK Elevator
BA, TW45 | 6231003860 | 03/2023
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.
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.22 ASY_1_00_0001_0
10.2 Manufacturer information
Also see about this
Wachendorff encoder WDG100H_38-1024 - Data sheet P.77
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