Metric Bolt Specifications Bolting Into Cast Aluminum - MacDon M1170NT5 Operator's Manual

Table 8.4 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

8.1.2 Metric Bolt Specifications Bolting into Cast Aluminum

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 grease or oil bolts or cap screws unless directed to do
so in this manual.
Table 8.5 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
215922
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)
Nm
lbf·ft lbf·ft
– –
–
4
–
8
6 12
14
28
28 55
52 100
– –
– –
REFERENCE
*13
*21
*31
*62
21
42
73
117 Figure 8.4: Bolt Grades
182
356
614
1
2.6
5.5
9
20
40
73
–
Figure 8.5: Bolt Grades
–
401
A
A
Revision A