Appendix - Helios IVA Series Operating Manual

11 Appendix

Tightening torque values for screws When tightening screws, adhere to the following tightening torque
values based on VDI 2230 Oct. 2001.
Hex. screw Hex. screw Hex. screw Hex. lock
Standard DIN EN
screw ISO 4014 /
4017
Standard EN ISO
nut 4032
Strength 8.8
category
M5 [Nm] 8
M6 [Nm] 10
M8 [Nm] 25
M10 [Nm] 49
M12 [Nm] 85
M16 [Nm] 210
M20 [Nm] 425
M24 [Nm] 730
Appendix
DIN EN DIN EN
ISO 4014 / ISO 4014 /
4017 4017
EN ISO EN ISO
4032 4032
10.9 A70
- 5.1
- 9
36 22
72 44
125 74
310 183
610 370
1050 608
nut
EN ISO
4032
8.8
-
-
25
49
85
210
425
730
44