DIN 931 hexagon head screw, M6 x 255, Article number 9318062551. Property class / material: steel 8.8, surface finish zinc plated. Hexagon Head Screw manufactured to DIN 931 with ISO metric (M) thread, coarse pitch, partially 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 931 |
| Type | Hexagon Head Screw |
| Property class / grade | 8.8 |
| Class (detailed) | 8.8 |
| Thread type | M |
| Thread diameter | 6 mm |
| Pitch | 1 mm |
| Thread pitch class | Coarse |
| Thread direction | Right |
| Length | 255 mm |
| Thread length | 37 mm |
| Threading | Partially Threaded |
| Fully threaded | No |
| Head type | Hexagon Head |
| Drive type | Hex Drive |
| Key width (across flats) | 10 mm |
| Head height | 4 mm |
| Surface treatment | Zinc Bright Passivation Fe/Zn P1 (ZPL 3+) |
| Surface treatment code | ZPL |
| Length | 255 mm |
| Thread standard | ISO metric (M) |
| Article number | 9318062551 |
| Category | Bolts and Screws / Hexagon Head Screws |
| Material | Steel 8.8 |
| Primary standard | DIN 931 |
| Standard size | M6 x 255 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |