MacDon A40-D, Operator'S Manual

Page: 222 / 240

214804
208
Revision A
Figure 8.2: Bolt Grades
A - Nominal Size B - SAE-8
C - SAE-5 D - SAE-2
Table 8.2 SAE Grade 5 Bolt and Grade F Distorted
Thread Nut
Nominal
Size (A)
Torque (Nm)
Torque (lbf·ft)
(*lbf·in)
Min. Max. Min. Max.
1/4-20 8.1 9 *72 *80
5/16-18
16.7 18.5
*149 *164
3/8-16 30 33 22 24
7/16-14 48 53 35 39
1/2-13 73 80 54 59
9/16-12 105 116 77 86
5/8-11 144 160 107 118
3/4-10 259 286 192 212
7/8-9 413 456 306 338
1-8 619 684 459 507
Figure 8.3: Bolt Grades
A - Nominal Size B - SAE-8
C - SAE-5 D - SAE-2
Table 8.3 SAE Grade 8 Bolt and Grade G Distorted
Thread Nut
Nominal
Size (A)
Torque (Nm)
Torque (lbf·ft)
(*lbf·in)
Min. Max. Min. Max.
1/4-20 16.8 18.6 *150 *165
5/16-18 24 26 18 19
3/8-16 42 46 31 34
7/16-14 67 74 50 55
1/2-13 102 113 76 84
9/16-12 148 163 109 121
5/8-11 204 225 151 167
3/4-10 362 400 268 296
7/8-9 583 644 432 477
1-8 874 966 647 716
REFERENCE