DIN 603 carriage bolt, M8 x 20, Article number 603808020. Property class / material: steel 8.8, surface finish plain. Carriage Bolt manufactured to DIN 603 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 603 |
| Type | Carriage Bolts |
| Property class / grade | 8.8 |
| Class (detailed) | 8.8 |
| Thread type | M |
| Thread diameter | 8 mm |
| Pitch | 1.25 mm |
| Thread pitch class | Coarse |
| Thread direction | Right |
| Length | 20 mm |
| Thread length | 14.4 mm |
| Threading | Fully Threaded |
| Fully threaded | Yes |
| Head type | Cup Head |
| Head height | 4.88 mm |
| Head diameter | 20.65 mm |
| Surface treatment | Plain (no plating) |
| Surface treatment code | PLAIN |
| Head Square Height | 5.6 mm |
| Head Square Width | 8.58 mm |
| Length | 20 mm |
| Thread standard | ISO metric (M) |
| Article number | 603808020 |
| Category | Bolts and Screws / Carriage Bolts |
| Material | Steel 8.8 |
| Primary standard | DIN 603 |
| Standard size | M8 x 20 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |