TECHNICAL DATA
Torque Specifications
Hex Head Cap Screws
Shank Size (Diameter in inches, fine or coarse thread)
The torque values shown should be used as a general guideline when specific torque values are not given.
U.S. Standard Hardware
| Grade | SAE Grade 5 | SAE Grade 8 |
| Flangelock Screw | ||||||
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| Size |
| ft./lbs |
| Nm | ft./lbs |
| Nm | ft./lbs |
| Nm |
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| ¼ |
| 9 |
| 12 | 13 |
| 18 |
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| 5/16 |
| 18 |
| 24 | 28 |
| 38 | 24 |
| 33 |
| 3/8 |
| 31 |
| 42 | 46 |
| 62 | 40 |
| 54 |
| 7/16 |
| 50 |
| 68 | 75 |
| 108 |
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| ½ |
| 75 |
| 102 | 115 |
| 156 |
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| 9/16 |
| 110 |
| 150 | 165 |
| 224 |
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| 5/8 |
| 150 |
| 203 | 225 |
| 305 |
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| ¾ |
| 250 |
| 339 | 370 |
| 502 |
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| 7/8 |
| 378 |
| 513 | 591 |
| 801 |
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| 11/8 |
| 782 |
| 1060 | 1410 |
| 1912 |
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**Grade 5 - Minimum commercial quality (lower quality not recommended)
Metric Standard Hardware
| Grade | Grade 8.8 |
| Grade 10.9 |
| Grade 12.9 | |||
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| Size | ft./lbs |
| Nm | ft./lbs |
| Nm | ft./lbs | Nm |
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| M4 | 1.5 |
| 2 | 2.2 |
| 3 | 2.7 | 3.6 |
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| M5 | 3 |
| 4 | 4.5 |
| 6 | 5.2 | 7 |
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thread) | M6 | 5.2 |
| 7 | 7.5 |
| 10 | 8.2 | 11 |
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M7 | 8.2 |
| 11 | 12 |
| 16 | 15 | 20 | |
coarse |
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M8 | 13.5 |
| 18 | 18.8 |
| 25 | 21.8 | 29 | |
fine or |
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M10 | 24 |
| 32 | 35.2 |
| 47 | 43.5 | 58 | |
millimeters, |
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M14 | 70.5 |
| 94 | 100 |
| 133 | 119 | 159 | |
| M12 | 43.5 |
| 58 | 62.2 |
| 83 | 75 | 100 |
in |
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(Diameter | M16 | 108 |
| 144 | 147 |
| 196 | 176 | 235 |
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M18 | 142 |
| 190 | 202 |
| 269 | 242 | 323 | |
Size |
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M20 | 195 |
| 260 | 275 |
| 366 | 330 | 440 | |
Shank |
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M22 | 276 |
| 368 | 390 |
| 520 | 471 | 628 | |
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| M24 | 353 |
| 470 | 498 |
| 664 | 596 | 794 |
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| M27 | 530 |
| 707 | 474 |
| 996 | 904 | 1205 |
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