- Jack Nuts are an economical threaded insert for assembly-line use in thin, soft, or brittle materials
- When tightened, the body collapses to form four legs which grip the inside of the mounting surface, leaving a permanent, reusable threaded for bolt purposes
| Type | Jack Nut |
| Style | Expansion |
| Size | 1/4"-20 |
| Material | Steel |
| Finish | Zinc |
| Diameter | 0.625" |
| Head Thickness | 0.073" |
| Head Diameter | 0.625" |
| Grip Range | 0.015" - 0.187" |
| Overall Length | 0.731" |
| Hole Diameter | 0.434" - 0.450" |