Table 8.8 Metric Class 10.9 Bolts and Class 10
Distorted Thread Nut
Torque (Nm)
Torque (lbf·ft)
(*lbf·in)
Nominal
Size (A)
Min.
Max.
Min.
Max.
3-0.5
1.3
1.5
*12
*13
3.5-0.6
2.1
2.3
*19
*21
4-0.7
3.1
3.4
*28
*31
5-0.8
6.3
7
*56
*62
6-1.0
10.7
11.8
*95
*105
8-1.25
26
29
19
21
10-1.5
51
57
38
42
12-1.75
90
99
66
73
14-2.0
143
158
106
117
16-2.0
222
246
165
182
20-2.5
434
480
322
356
24-3.0
750
829
556
614
Figure 8.8: Bolt Grades
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Revision A