GENERAL
169558 Revision D
7
C. METRIC BOLTS
Metric Class 8.8 Bolts and Class 9 Free
Spinning Nut
Nominal
Size
Torque (ft·lbf)
(*in·lbf)
Torque (N·m)
Min. Max. Min. Max.
3-0.5 *13 *14 1.4 1.6
3.5-0.6 *20 *22 2.2
2.5
4-0.7 *29 *32 3.3
3.7
5-0.8 *59 *66 6.7 7.4
6-1.0 *101 *112 11.4 12.6
8-1.25 20 23 28 30
10-1.5 40 45 55 60
12-1.75
70 78
95 105
14-2.0 113 124 152 168
16-2.0 175 193 236 261
20-2.5 341 377 460 509
24-3.0 589 651 796 879
Metric Class 8.8 Bolts and Class 9 Distorted
Thread Nut
Nominal
Size
Torque (ft·lbf)
(*in·lbf)
Torque (N·m)
Min. Max. Min. Max.
3-0.5 *9 *10 1.0 1.1
3.5-0.6 *14 *15 1.5
1.7
4-0.7 *20 *22 2.3
2.5
5-0.8 *40 *45 4.5 5.0
6-1.0 *69 *76 7.7 8.6
8-1.25 *167 *185 18.8 20.8
10-1.5 28 30 37 41
12-1.75
48 53
65 72
14-2.0 77 85 104 115
16-2.0 119 132 161 178
20-2.5 233 257 314 347
24-3.0 402 444 543 600
Metric Class 10.9 Bolts and Class 10 Free
Spinning Nut
Nominal
Size
Torque (ft·lbf)
(*in·lbf)
Torque (N·m)
Min. Max. Min. Max.
3-0.5 *18 *19 1.8 2.0
3.5-0.6 *27 *30 2.8
3.1
4-0.7 *41 *45 4.2
4.6
5-0.8 *82 *91 8.4 9.3
6-1.0 *140 *154 14.3 15.8
8-1.25 28 31 38 42
10-1.5 56 62 75 83
12-1.75
97 108
132 145
14-2.0 156 172 210 232
16-2.0 242 267 326 360
20-2.5 472 521 637 704
24-3.0 815 901 1101 1217
Metric Class 10.9 Bolts and Class 10
Distorted Thread Nut
Nominal
Size
Torque (ft·lbf)
(*in·lbf)
Torque (N·m)
Min. Max. Min. Max.
3-0.5 *12 *13 1.3 1.5
3.5-0.6 *19 *21 2.1
2.3
4-0.7 *28 *31 3.1
3.4
5-0.8 *56 *62 6.3 7.0
6-1.0 *95 *105 10.7 11.8
8-1.25 19 21 26 29
10-1.5 38 42 51 57
12-1.75
66 73
90 99
14-2.0 106 117 143 158
16-2.0 165 182 222 246
20-2.5 322 356 434 480
24-3.0 556 614 750 829
1004096 M88
1004096 M109