TablesC-J design of connections
High-Strength Bolts in Slip-Critical Connections
PDF page 572 · AISC 360-22
| Turn-of-Nut or Combined Method | Other Methods (Calibrated Wrench, Twist-off Type, DTI) | ||||
|---|---|---|---|---|---|
| Group | Class | Standard Holes, Parallel Slots | Oversized Holes | Standard Holes, Parallel Slots | Oversized Holes |
| Group 120 (e.g., A325) | Class A (µ = 0.30) | 2.39 | 2.92 | 1.82 | 2.41 |
| Class B (µ = 0.50) | 2.78 | 3.52 | 2.17 | 2.83 | |
| Group 144 or 150 (e.g., A490, F3148) | Class A (µ = 0.30) | 2.01 | 2.63 | 1.53 | 2.13 |
| Class B (µ = 0.50) | 2.47 | 3.20 | 1.86 | 2.54 | |