- SAE Hex Clamp Bolt Chart -
Suggested Torque (ft/lbs)*
|
Bolt Size |
Grade 2 |
Grade 3 |
Grade 5 |
Grade 6 |
Grade 8 |
| 1/4" -20 | 5 | 7 | 9 | 10 | 12 |
| 5/16" - 18 | 12 | 13 | 15 | 22 | 25 |
| 3/8" - 16 | 20 | 22 | 25 | 30 | 37 |
| 7/16" - 14 | 30 | 35 | 40 | 50 | 60 |
| 1/2" - 13 | 42 | 50 | 60 | 80 | 92 |
| 9/16" - 12 | 55 | 72 | 88 | 114 | 132 |
| 5/8" - 11 | 88 | 96 | 120 | 164 | 180 |
| 3/4" - 10 | 130 | 196 | 215 | 266 | 345 |
| 7/8" - 9 | 190 | 276 | 320 | 456 | 490 |
| 1" - 8 | 312 | 405 | 466 | 655 | 725 |
* Your use of this information acknowledges your total acceptance of responsibility for results. Values may change if lubricants are used.
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