Metric Bolt Specifications - MacDon M155 Unloading And Assembly Instructions

Table 6.4 SAE Grade 8 Bolt and Grade 8 Free
Spinning Nut
Torque (Nm)
Nominal
Size (A)
Min.
1/4-20 16.8
5/16-18 35
61
3/8-16
7/16-14 98
150
1/2-13
9/16-12 217
299
5/8-11
3/4-10 531
7/8-9 855
1-8 1165

6.1.2 Metric Bolt Specifications

Table 6.5 Metric Class 8.8 Bolts and Class 9 Free
Spinning Nut
Torque (Nm)
Nominal
Size (A)
Min.
3-0.5 1.4
3.5-0.6 2.2
4-0.7 3.3
5-0.8 6.7
6-1.0 11.4
8-1.25 28
55
10-1.5
12-1.75 95
14-2.0 152
16-2.0 236
20-2.5 460
24-3.0 796
214298
REFERENCE
Torque (lbf·ft)
(*lbf·in)
Max. Min.
18.6 *150
38 26
68 46
109 73
166 111
239 160
330 221
587 393
945 633
1288 863
Torque (lbf·ft)
(*lbf·in)
Max. Min.
1.6 *13
2.5 *20
3.7 *29
7.4 *59
12.6 *101
30 20
60 40
105 70
168 113
261 175
509 341
879 589
Max.
*165
28
50
81
123
177
Figure 6.4: Bolt Grades
345
A - Nominal Size
C - SAE-5
435
700
954
Max.
*14
*22
*32
*66
*112
23
Figure 6.5: Bolt Grades
45
78
124
193
377
651
243
B - SAE-8
D - SAE-2
Revision A