Top lock metric nuts withstand higher temperatures than nylon insert locknuts
| Type | Nut |
| Style | Top Lock |
| Size | M20-2.50 |
| Material | Steel |
| Grade/Class | 10 |
| Thread Direction | Right Hand |
| Height | 20 mm |
| Thread Pitch | 2.5 mm |
| Locking Element | All Steel |
| Design Usage | Tension |
| Din No. | 980V-10 |
| Thread | Coarse |
| Wrench Size | 30 mm |
