DIN 985 hexagon lock nut, M12, left-hand thread, Article number 985V121. Property class / material: steel class 5, surface finish zinc plated. Hexagon Lock Nut manufactured to DIN 985 with ISO metric (M) thread, coarse pitch, fully threaded. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution.
| Standard | DIN 985 |
| Property class / grade | CL.5 |
| Class (detailed) | CL.5 |
| Thread type | M |
| Thread diameter | 12 mm |
| Pitch | 1.75 mm |
| Thread pitch class | Coarse |
| Thread direction | Left |
| Threading | Fully Threaded |
| Key width (across flats) | 19 mm |
| Surface treatment | Zinc Bright Passivation Fe/Zn P1 (ZPL 3+) |
| Surface treatment code | ZPL |
| Nut Diameter | 21.1 mm |
| Nut height | 12 mm |
| Thread standard | ISO metric (M) |
| Article number | 985V121 |
| Category | Nuts / Lock Nuts |
| Material | Steel class 5 |
| Primary standard | DIN 985 |
| Standard size | M12 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |