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Pellerin Milnor Corporation
Table 6 Torque Values for Standard Fasteners Larger Than 5/16-inch Diameters and No Lubricant
(cont'd.)
Dimension
The Grade of the Bolt
Grade 2 Grade 5 Grade 8 Grade BC
Pound-Feet N-m Pound-Feet N-m Pound-Feet N-m Pound-Feet N-m
7/16 x 20 36 49 55 75 78 105
– –
1/2 x 13 49 66 75 102 107 145 93 126
1/2 x 20 55 75 85 115 120 163
– –
9/16 x 12 70 95 109 148 154 209 134 182
9/16 x 18 78 106 121 164 171 232
– –
5/8 x 11 97 131 150 203 212 287 186 252
5/8 x 18 110 149 170 231 240 325
– –
3/4 x 10 172 233 266 361 376 510 329 446
3/14 x 16 192 261 297 403 420 569
– –
7/8 x 9 167 226 429 582 606 821 531 719
7/8 x 14 184 249 473 641 668 906
– –
1 x 8 250 339 644 873 909 1232 796 1079
1 x 12 274 371 704 954 994 1348
– –
1 x 14 281 381 723 980 1020 1383
– –
1 1/8 x 7 354 480 794 1077 1287 1745 1126 1527
1 1/8 x 12 397 538 891 1208 1444 1958
– –
1 1/4 x 7 500 678 1120 1519 1817 2464 1590 2155
1 1/4 x 12 553 750 1241 1682 2012 2728
– –
1 3/8 x 6 655 888 1469 1992 2382 3230 2085 2827
1 3/8 x 12 746 1011 1672 2267 2712 3677
– –
1 1/2 x 6 869 1178 1949 2642 3161 4286 2767 3751
1 1/2 x 12 979 1327 2194 2974 3557 4822
– –
Table 7. Torque Values for Plated Fasteners with Maximum 5/16-inch Diameters and No Lubricant
Dimension
The Grade of the Bolt
Grade 2 Grade 5 Grade 8 Grade BC
Pound-Inches N-m Pound-Inches N-m Pound-Inches N-m Pound-Inches N-m
1/4 x 20 49 6 76 9 107 12 95 11
1/4 x 28 56 6 88 10 122 14
– –
5/16 x 18 102 12 156 18 222 25 193 22
5/16 x 24 113 13 174 20 245 28
– –
Table 8. Torque Values for Plated Fasteners Larger Than 5/16-inch Diameters and No Lubricant
Dimension
The Grade of the Bolt
Grade 2 Grade 5 Grade 8 Grade BC
Pound-Feet N-m Pound-Feet N-m Pound-Feet N-m Pound-Feet N-m
3/8 x 16 15 20 23 31 33 44 29 38
3/8 x 24 17 23 26 35 37 49
– –
7/16 x 14 24 32 37 50 52 71 46 61
7/16 x 20 27 36 41
55
58 78
– –
1/2 x 13 37 49 56 76 80 106 70 93
1/2 x 20 41
55
64 85 90 120
– –
9/16 x 12 53 70 81 110 115 153 101 134
9/16 x 18 59 79 91 122 128 174
– –
5/8 x 11 73 97 113 150 159 212 139 186
5/8 x 18 83 110 127 172 180 240
– –
3/4 x 10 129 173 200 266 282 376 246 329
3/14 x 16 144 192 223 297 315 420
– –
General Service & Safety-Related Components