Metric thread with fine pitch
Thread
Class
Tightening torque
Max. assembly
pre-load
(µ
min
=0.12)
N
Nm
lbf-ft (lbf-in)
M14X1.5
8.8
142
104.7
64800
10.9
209
154.1
95200
12.9
244
180
111400
M16X1.5
8.8
218
160.8
87600
10.9
320
236
128700
12.9
374
275.8
150600
M18X1.5
8.8
327
241.2
117000
10.9
465
343
167000
12.9
544
401
196000
M20X1.5
8.8
454
335
148000
10.9
646
476.5
211000
12.9
756
557.6
246000
M22X1.5
8.8
613
452
182000
10.9
873
644
259000
12.9
1022
754
303000
M24X2
8.8
769
567
209000
10.9
1095
807.6
297000
12.9
1282
945.5
348000
14. Appendix
148
5902916
MDS 8.2/14.2/18.2/20.2