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Engineering ToolBox > Capacities of Threaded Steel Rods
| Rod Diameter (in) | Rod Root Area (in2) | Capacity (lb) |
| 1/4 | 0.03 | 260 |
| 3/8 | 0.07 | 650 |
| 1/2 | 0.13 | 1200 |
| 5/8 | 0.20 | 1900 |
| 3/4 | 0.30 | 2900 |
| 1 | 0.55 | 5200 |
| 1 1/8 | 0.69 | 6600 |
| 1 1/4 | 0.89 | 8400 |
| 1 1/2 | 1.29 | 12300 |