LEMKEN Karat 9 - Tightening Torques; Wheel Nuts; Other Screw Connections

Maintenance and repairs
76
12.4 Tightening torques
12.4.1 Wheel nuts
Diameter /
Thread
Tightening tor-
que
[Nm]
M12x1.5 80
M14x1.5 125
M18x1.5 290
M20x1.5 380
M22x1.5 510
12.4.2 Other screw connections
Diameter /
Thread
Strength -
category 8.8
[Nm]
Strength cate-
gory 10.9 [Nm]
Strength -
category 12.9
[Nm]
M6 9,7 13,6 16,3
M8 / M8x1 23,4 32,9 39,6
M10 / M10x1.25 46,2 64,8 77,8
M12 / M12x1.25 80,0 113 135
M14 127 178 213
M16 / M16x1.5 197 276 333
M20 382 538 648
M24 / M24x2 659 926 1112
M30 / M30x2 1314 1850 2217