| Specification |
|---|
| Manufacturer | Penn Engineering |
| Manufacturer's Part Number | THFE-0518-20ZI |
| Description | THFE-0518-20ZI Heavy Duty Studs, non Flush |
| Product Type | THFE |
| Thread Size | 5/16-18 |
| Length | 1.25 in |
| Material Specification | Hardened Carbon Steel |
| Finish Specification | Zinc plated per ASTM B633, SC1 (5µm), Type III, Colorless |
| Sheet Thickness | 0.031 in |
| For Use In Sheet Hardness | HRB 85/HB 165 or Less |
| Thread Specification | External, ASME B1.1, 2A |
| Fastener Material | Hardened Carbon Steel |
| H | 0.586 in ±0.01 |
| S | 0.117 in Max. |
| T | 0.099 in Max. |
| Hole Size in Sheet | 0.312 in + .005 - .000 |
| Min. Dist. Hole C/L to Edge | 0.596 in |
