| Specification |
|---|
| Manufacturer | Penn Engineering |
| Manufacturer's Part Number | S-RTM4-1ZI |
| Description | S-RTM4-1ZI Free-Running Locknut |
| Product Type | RT |
| Thread Size | M4X0.7 |
| Material Specification | Hardened Carbon Steel |
| Finish Specification | Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless |
| Thread Code | RTM4 |
| Shank Code | 1 |
| A Shank Max. | 0.97 mm |
| Min. Sheet Thickness | 1.000 mm |
| For Use In Sheet Hardness | HRB 80 / HB 150 or less |
| Thread Specification | Modified thread form on loaded flank. Will accept a maximum material 6g screw. |
| Material Finish | Zinc Plated, 5µm, Colorless |
| C | 5.38 mm Max. |
| E | 7.87 mm ± 0.25 |
| T | 2.00 mm ± 0.25 |
| Hole Size in Sheet | 5.41 mm +0.08 |
| Min. Dist. Hole C/L to Edge | 6.9 mm |
