Prevailing torque hex nut with nylon insert per DIN 985. The nylon collar grips the bolt thread to prevent loosening under vibration.
| Standard | DIN 985 / ISO 10511 |
| Size Range | M3-M24 |
| Grade | 5, 8, 10 |
| Insert | Nylon 6 (max 120°C) |
| Surface | Zinc-Nickel / Yellow Zinc / Plain |
