Refer to the table in order to identify the correct tightening torque for any metal and plastic 
cable glands that are to be mounted directly on the machine, as well as for any other 
screw-type connections (such as adapters).
Table A-4 Tightening torques for cable glands
 Metal
± 10%
Nm
Plastic
± 10%
Nm
Clamping range [mm] O ring
Cord ∅
mm
Standard
-30°C ... 100°C
M12 x 1.5 8 1.5 3.0...7.0 2
M16 x 1.5 10 2 4.5...10.0
M20 x 1.5 12 4 7.0...13.0
M25 x 1.5 9.0 ... 17.0
M32x1.5 18 6 11.0 ... 21.0
M40x1.5 19.0 ... 28.0
M50 x 1.5 20 26.0 ... 35.0
M63 x 1.5 34.0 ... 45.0
M63 x 1.5 42.0 ... 54.0
M75 x 1.5 80  54.0 ... 58.0
M75 x 1.5 59.0 … 63.0
M80 x 2.0 58.0 ... 64.0
M80 x 2.0 63.0 ... 70.0
Technical specications
A.1Tightening torques
1LE5, 1PC4 shaft heights 280 ... 355
Operating Instructions, 11/2022, A5E41454666A 135