MacDon M155 Unloading And Assembly Instructions page 256

Table 6.6 Metric Class 8.8 Bolts and Class 9 Distorted
Thread Nut
Torque (Nm)
Nominal
Size (A)
Min.
3-0.5 1
3.5-0.6 1.5
4-0.7 2.3
5-0.8 4.5
6-1.0 7.7
8-1.25 18.8
10-1.5 37
12-1.75 65
14-2.0 104
16-2.0 161
20-2.5 314
24-3.0 543
Table 6.7 Metric Class 10.9 Bolts and Class 10 Free
Spinning Nut
Torque (Nm)
Nominal
Size (A)
Min.
3-0.5 1.8
3.5-0.6 2.8
4-0.7 4.2
5-0.8 8.4
6-1.0 14.3
8-1.25 38
10-1.5 75
12-1.75 132
14-2.0 210
16-2.0 326
20-2.5 637
24-3.0 1101
214298
REFERENCE
Torque (lbf·ft)
(*lbf·in)
Max. Min.
1.1 *9
1.7 *14
2.5 *20
5
*40
8.6 *69
20.8 *167
41 28
72 48
115 77
178 119
347 233
600 402
Torque (lbf·ft)
(*lbf·in)
Max. Min.
2 *18
3.1
*27
4.6 *41
9.3 *82
15.8 *140
42 28
83 56
145 97
232 156
360 242
704 472
1217 815
Max.
*10
*15
*22
*45
*76
*185
Figure 6.6: Bolt Grades
30
53
85
132
257
444
Max.
*19
*30
*45
*91
*154
31
Figure 6.7: Bolt Grades
62
108
172
267
521
901
244
Revision A