Appendix
Tightening torques
NOTE
• The tightening torques only serve as guidelines and are generally valid. Actual data given at the
corresponding points in the operating instructions have priority.
• Screws and nuts must thereby not be treated with lubricant, since this would change the friction value.
Metric screws
Tightening torques - metric screws in Nm
Size
ø mm
Pitch
mm
Screw design - strength classes wheel nuts
4.8 5.8 8.8 10.9 12.9
3 0.50 0.9 1.1 1.8 2.6 3.0
4 0.70 1.6 2.0 3.1 4.5 5.3
5 0.80 3.2 4.0 6.1 8.9 10.4
6 1.00 5.5 6.8 10.4 15.3 17.9
7 1.00 9.3 11.5 17.2 25 30
8 1.25 13.6 16.8 25 37 44
8 1.00 14.5 18 27 40 47
10 1.50 26.6 33 50 73 86
10 1.25 28 35 53 78 91
12 1.75 46 56 86 127 148
12 1.25 50 62 95 139 163
14 2.00 73 90 137 201 235
14 1.50 79 96 150 220 257
16 2.00 113 141 214 314 369
16 1.50 121 150 229 336 393
18 2.50 157 194 306 435 509
18 1.50 178 220 345 491 575 300
20 2.50 222 275 432 615 719
20 1.50 248 307 482 687 804
22 2.50 305 376 502 843 987
22 1.50 337 416 654 932 1090 510
24 3.00 383 474 744 1080 1240
24 2.00 420 519 814 1160 1360
27 3.00 568 703 1000 1570 1840
27 2.00 615 760 1200 1700 1990
30 3.50 772 995 1500 2130 2500
30 2.00 850 1060 1670 2370 2380
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