en
Appendix
28
WILO SE 2019-02
13
Appendix
13.1
Tightening torques
Rust-free screws A2/A4
Threaded
Tightening torque
Nm
kp m
ft·lb
M5
5.5
0.56
4
M6
7.5
0.76
5.5
M8
18.5
1.89
13.5
M10
37
3.77
27.5
M12
57
5.81
42
M16
135
13.77
100
M20
230
23.45
170
M24
285
29.06
210
M27
415
42.31
306
M30
565
57.61
417
Geomet-coated screws (strength 10.9) with Nord-Lock
washer
Threaded
Tightening torque
Nm
kp m
ft·lb
M5
9.2
0.94
6.8
M6
15
1.53
11
M8
36.8
3.75
27.1
M10
73.6
7.51
54.3
M12
126.5
12.90
93.3
M16
155
15.81
114.3
M20
265
27.02
195.5
