ISO 14581 flat head screw with torx, M8 x 25, Article number 14581A40802580. Made in stainless steel a4. Flat Head Screw with Torx manufactured to ISO 14581 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 | ISO 14581 |
| Type | Flat Head Screw |
| Property class / grade | A4 |
| Class (detailed) | A4 |
| Thread type | M |
| Thread diameter | 8 mm |
| Pitch | 1.25 mm |
| Thread pitch class | Coarse |
| Thread direction | Right |
| Length | 25 mm |
| Thread length | 20.4 mm |
| Tapping length | 20.4 mm |
| Threading | Fully Threaded |
| Fully threaded | Yes |
| Head type | Countersunk Flat Head |
| Drive type | TX T45 |
| Drive key width | 7.95 mm |
| Head height | 4.6 mm |
| Head diameter | 15.8 mm |
| Surface treatment | Plain (no plating) |
| Surface treatment code | PLAIN |
| Torx size | T45 |
| Length | 25 mm |
| Thread standard | ISO metric (M) |
| Article number | 14581A40802580 |
| Category | Bolts and Screws / Socket Head Screws |
| Material | Stainless A4 |
| Primary standard | ISO 14581 |
| Standard size | M8 x 25 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |