MacDon D1 Series - Page 531

215184 507 Revision A
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Figure 12.9: Bolt Grades
Table 12.3 Metric Class 8.8 Bolts and Class 9 Distorted
Thread Nut
Nominal
Size (A)
Torque (Nm)
Torque (lbf·ft) (*lbf·in)
Min.
Max.
Min.
Max.
3-0.5
1 1.1
*9 *10
3.5-0.6 1.5 1.7
*14 *15
4-0.7 2.3 2.5
*20 *22
5-0.8
4.5
5
*40 *45
6-1.0
7.7
8.6
*69 *76
8-1.25 18.8 20.8
*167 *185
10-1.5 37
41
28 30
12-1.75 65 72 48 53
14-2.0 104
115 77
85
16-2.0 161 178 119 132
20-2.5 314 347 233 257
24-3.0 543 600 402
444
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Figure 12.10: Bolt Grades
Table 12.4 Metric Class 10.9 Bolts and Class 10 Free
Spinning Nut
Nominal
Size (A)
Torque (Nm)
Torque (lbf·ft) (*lbf·in)
Min.
Max.
Min.
Max.
3-0.5 1.8 2
*18 *19
3.5-0.6 2.8 3.1
*27 *30
4-0.7 4.2
4.6
*41 *45
5-0.8 8.4 9.3
*82 *91
6-1.0 14.3 15.8
*140 *154
8-1.25 38 42 28 31
10-1.5
75
83 56 62
12-1.75 132
145
97 108
14-2.0 210 232 156 172
16-2.0 326 360 242 267
20-2.5 637 704 472 521
24-3.0 1101 1217 815 901
REFERENCE