TablesJ Design of connections
Table J3.1: Minimum Bolt Pretension
PDF page 204 · AISC 360-22
| Bolt Size, in. | Group 120[a] | Group 144[b] and Group 150[b] | Group 200, Grade 2[c] |
|---|---|---|---|
| 1/2 | 12 | 15 | − |
| 5/8 | 19 | 24 | − |
| 3/4 | 28 | 35 | − |
| 7/8 | 39 | 49 | − |
| 1 | 51 | 64 | 90 |
| 1 1/8 | 64 | 80 | 113 |
| 1 1/4 | 81 | 102 | 143 |
| 1 3/8 | 97 | 121 | − |
| 1 1/2 | 118 | 148 | − |
[a]Equal to 0.70 times the minimum tensile strength of bolts as specified in ASTM F3125/F3125M for Grade A325 rounded off to nearest kip. [b]Equal to 0.70 times the minimum tensile strength of bolts as specified in ASTM F3125/F3125M for Grade A490 rounded off to nearest kip. Group 144 (F3148) assemblies have the same specified minimum pretension as Group 150.
- Equal to 0.70 times the minimum tensile strength of bolts as specified in ASTM F3043 and F3111 for Grade 2, rounded off to the nearest kip.