ISO 7380-1 button head with hex drive, M16 x 40, Article number 7380A216040. Made in stainless steel a2. Button Head with Hex Drive manufactured to ISO 7380-1 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 7380-1 |
| Standard description | 1 |
| Type | Button Head Screw |
| Property class / grade | A2 |
| Class (detailed) | A2 |
| Thread type | M |
| Thread diameter | 16 mm |
| Pitch | 2 mm |
| Thread pitch class | Coarse |
| Thread direction | Right |
| Length | 40 mm |
| Thread length | 40 mm |
| Tapping length | 40 mm |
| Threading | Fully Threaded |
| Fully threaded | Yes |
| Head type | Button Head |
| Drive type | Hex Drive |
| Key width (across flats) | 10 mm |
| Key depth | 5.2 mm |
| Head height | 8.8 mm |
| Head diameter | 28 mm |
| Surface treatment | Plain (no plating) |
| Surface treatment code | PLAIN |
| Length | 40 mm |
| Thread standard | ISO metric (M) |
| Article number | 7380A216040 |
| Category | Bolts and Screws / Socket Head Screws |
| Material | Stainless A2 |
| Primary standard | ISO 7380-1 |
| Standard size | M16 x 40 |
| Thread standard | ISO metric (M) |
| MOQ | 1 |