Smaller-size nuts have hex flats, while larger nuts have spanner slots.
| Material | Heat Treat | Finish | DFARS | RoHS |
| Steel | - | - | Yes | Yes |

| Fits Standard-type Swing Clamps | D Diameter | E Diameter (Inch) | F (Inch) | G | T (Inch) |
| 7 Series | 50mm | 2.185 " | 2.68 " | M45x1.5 | 0.472 " |