DIN 985 hexagon lock nut, M18, Article number 985A41880. Made in stainless steel a4-80. 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 | A4-80 |
| Class (detailed) | A4-80 |
| Thread type | M |
| Thread diameter | 18 mm |
| Pitch | 2.5 mm |
| Thread pitch class | Coarse |
| Thread direction | Right |
| Threading | Fully Threaded |
| Key width (across flats) | 27 mm |
| Surface treatment | Plain (no plating) |
| Surface treatment code | PLAIN |
| Nut Diameter | 29.56 mm |
| Nut height | 18.5 mm |
| Thread standard | ISO metric (M) |
| Article number | 985A41880 |
| Category | Nuts / Lock Nuts |
| Material | Stainless A4-80 |
| Primary standard | DIN 985 |
| Standard size | M18 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |