| Specification |
|---|
| Manufacturer | Penn Engineering |
| Manufacturer's Part Number | SL-0420-1ZI |
| Description | SL-0420-1ZI Locking Thread Nut |
| Product Type | SL |
| Thread Size | 1/4-20 |
| Material Specification | Heat-Treated Carbon Steel |
| Finish Specification | Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless |
| Shank Code | 1 |
| A Shank Max. | .054 in |
| Min. Sheet Thickness | .056 in |
| For Use In Sheet Hardness | HRB 80 / HB 150 or less |
| Thread Specification | Internal, ASME B1.1, 2B |
| Material Finish | Zinc Plated, 5µm, Colorless |
| E | .440 in ± .010 |
| T | .170 in ± .010 |
| Hole Size in Sheet | .344 in + .003 - .000 |
