| Specification |
|---|
| Manufacturer | Penn Engineering |
| Description | S-RTM8-2ZI All Metal, RT® Free-Running Locknut |
| Thread Size | M8X1.25 |
| Material Specification | Hardened Carbon Steel |
| Finish Specification | Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless |
| Thread Code | RTM8 |
| Shank Code | 2 |
| A Shank Max. | 2.21 mm |
| Min. Sheet Thickness | 2.29 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. |
| C | 10.47 mm Max. |
| E | 12.7 mm ± 0.25 |
| T | 5.84 mm ± 0.25 |
| Hole Size in Sheet | 10.49 mm +0.08 |
| Min. Dist. Hole C/L to Edge | 9.65 |
