DIN 961 hexagon head screw, M8 x 1.0 x 20, Article number 961A408100020. Made in stainless steel a4-70. Hexagon Head Screw manufactured to DIN 961 with ISO metric (M) thread, fine 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 961 |
| Type | Hexagon Head Screw |
| Property class / grade | A4-70 |
| Class (detailed) | A4-70 |
| Thread type | M |
| Thread diameter | 8 mm |
| Pitch | 1 mm |
| Thread pitch class | Fine |
| Thread direction | Right |
| Length | 20 mm |
| Thread length | 20 mm |
| Threading | Fully Threaded |
| Fully threaded | Yes |
| Head type | Hexagon Head |
| Drive type | Hex Drive |
| Key width (across flats) | 13 mm |
| Head height | 5.3 mm |
| Surface treatment | Plain (no plating) |
| Surface treatment code | PLAIN |
| Length | 20 mm |
| Thread standard | ISO metric (M) |
| Article number | 961A408100020 |
| Category | Bolts and Screws / Hexagon Head Screws |
| Material | Stainless A4-70 |
| Primary standard | DIN 961 |
| Standard size | M8 x 1.0 x 20 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |