MacDon DWA - Metric Bolt Specifications Bolting into Cast Aluminum

215626 113 Revision A
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Figure 6.8: Bolt Grades
Table 6.8 Metric Class 10.9 Bolts and Class 10 Distorted
Thread Nut
Nominal
Size (A)
Torque (Nm)
Torque (lbf·ft) (*lbf·in)
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
6.1.3 Metric Bolt Specifications Bolting into Cast Aluminum
Torque values shown in following tables are valid for non-greased, or non-oiled threads and heads; therefore, do NOT
grease or oil bolts or cap screws unless otherwise specified in this manual.
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Figure 6.9: Bolt Grades
Table 6.9 Metric Bolt Bolting into Cast Aluminum
Nominal
Size (A)
Bolt Torque
8.8
(Cast Aluminum)
10.9
(Cast Aluminum)
Nm
lbf·ft
Nm
lbf·ft
M3
–– –
1
M4
––
4
2.6
M5
––
8
5.5
M6 9 6 12 9
M8 20
14
28 20
M10 40 28
55
40
M12 70 52 100 73
M14
–– – –
M16
–– – –
REFERENCE