Appendix “Service data and grease specifications”
General tightening torques
Publication No. Date Valid from serial number T-code
261828-040 2008-08-21 6051502 815, 816
© BT Repair Manual RRE140/160/180/200/250 22 – 1
22 – Appendix “Service data and
grease specifications”
22.1 General tightening torques
Millimetre threads M3 to M24.
The tables apply under good conditions, e.g. steel against steel.
22.1.1 Galvanised non-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