TN-31
5/16" Security Nut (TN-31)
MUTCD TN-31 5/16" Security Nut (TN-31) fabricated on .080 in. 5052-H38 aluminum in EG reflective sheeting.
The TN-31 5/16" Security Nut (TN-31) is built to MUTCD spec on .080 in. 5052-H38 aluminum with 3M retroreflective sheeting. Available sizes: 5/16 in.. Tell us your job and we confirm pricing and lead time the same business day.
Engineer Grade
Custom sizes, legends, and municipal logos available. Tell us what you need.
Specifications
| MUTCD Code | TN-31 |
|---|---|
| Shape | Security nut |
| Standard Colors | Zinc plated |
| Legend | 5/16" security nut. 100/carton. Tamper-resistant. |
| Substrate | .080 in. 5052-H38 aluminum |
| Available Sizes | 5/16 in. in. |
| Reflective Grades | Engineer Grade |
| Lead Time | 5 business days (made to order) |
Sizes & Variants
1 variant available. Add any to a quote request — we confirm pricing and lead time same business day.
| Part Number | Size | Reflective Grade | |
|---|---|---|---|
| TN-31-516IN-EG | 5/16 in. in. | Engineer Grade | Add to Quote |
Need 5/16" Security Nut (TN-31) fast?
We fabricate to MUTCD spec and ship nationwide. Toll-free 800-255-4369.