MacDon M Series Unloading And Assembly Instructions page 374

Table 6.6 Metric Class 8.8 Bolts and Class 9 Distorted
Thread Nut
Torque (N·m)
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 (N·m)
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
147962
REFERENCE
Torque (ft·lbf)
(*in·lbf)
Max. Min. Max.
1.1 *9 *10
1.7 *14 *15
2.5 *20 *22
5 *40 *45
8.6 *69 *76
20.8 *167 *185
41 28
72 48
115 77
178 119 132
347 233 257
600 402 444
Torque (ft·lbf)
(*in·lbf)
Max. Min. Max.
2 *18 *19
3.1 *27 *30
4.6
*41 *45
9.3 *82 *91
15.8 *140 *154
42 28
83 56
145 97 108
232 156 172
360 242 267
704 472 521
1217 815 901
Figure 6.6: Bolt Grades
30
53
85
31
Figure 6.7: Bolt Grades
62
360
Revision A