General tightening torque
General
© BT Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D 22 – 1
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
22 – General tightening torque
22.1 General
Millimetre threads M3 to M24. The following applies under ideal
conditions, e.g. steel against steel.
Note!
Experience has shown that if you adjust the torque wrench to the
values for untreated bolts, you will also achieve the correct torque
value for galvanised bolts. Do not tighten more than the values set
out in the tables otherwise the bolts may be destroyed.
22.2 Galvanised non-oiled bolts
22.3 Untreated, oiled bolts
Tightening torque (Nm)
Strength class:
8,8 10,9 12,9
M3 1,1 1,6 2,0
M4 2,8 3,8 4,7
M5 5,5 7,7 9,3
M6 9,5 13 16
M8 23 32 38
M10 45 62 76
M12 78 109 130
M14 123 174 208
M16 189 266 320
M20 370 519 623
M24 638 898 1075
Tightening torque (Nm)
Strength class:
8,8 10,9 12,9
M3 1,2 1,7 2,1
M4 2,9 4,0 4,9
M5 5,7 8,1 9,7
M6 9,8 14 17
M8 24 33 40
M10 47 65 79
M12 81 114 136
M14 128 181 217
M16 197 277 333
M20 385 541 649
M24 665 935 1120
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