Table 9.7 Metric Class 10.9 Bolts and Class 10 Distorted
Thread Nut
Torque (Nm)
Nominal
Size (A)
Min.
3-0.5
1.3
3.5-0.6
2.1
4-0.7
3.1
5-0.8
6.3
6-1.0
10.7
8-1.25
26
10-1.5
51
12-1.75
90
14-2.0
143
16-2.0
222
20-2.5
434
24-3.0
750
9.2.2 Metric Bolt Specifications – Cast Aluminum
Specifications are provided for the appropriate final torque values for various sizes of metric bolts in cast aluminum.
NOTE:
The torque values provided in the following metric bolt torque tables apply to hardware installed dry; that is, hardware
with no grease, oil, or threadlocker on the threads or heads. Do NOT add grease, oil, or threadlocker to bolts or cap screws
unless you are directed to do so in this manual.
Table 9.8 Metric Bolt Bolting into Cast Aluminum
Nominal
8.8
Size (A)
(Cast Aluminum)
Nm
–
M3
–
M4
–
M5
M6
9
M8
20
M10
40
M12
70
–
M14
–
M16
262171
Torque (lbf·ft) (*lbf·in)
Max.
Max.
Min.
1.5
*12
2.3
*19
3.4
*28
7
*56
11.8
*95
*105
29
19
57
38
99
66
158
106
246
165
480
322
829
556
Bolt Torque
10.9
(Cast Aluminum)
lbf·ft
Nm
lbf·ft
–
–
–
4
–
8
6
12
14
28
55
28
52
100
–
–
–
–
REFERENCE
*13
*21
*31
*62
21
42
73
117
Figure 9.4: Bolt Grades
182
356
614
1
2.6
5.5
9
20
40
73
–
Figure 9.5: Bolt Grades
–
458
A
A
Revision A