ISOscrewsButton head (low dome)
ISO 7380 Hexagon Socket Button Head Screw
A low dome head with internal hex drive. Chosen when you want a finished look without machining a countersink.
Dimensions8 sizes · millimetres
| Thread d | Pitch P (mm) | Head diameter dk (mm) | Head height k (mm) | Socket size s (mm) |
|---|---|---|---|---|
| M3 | 0.5 | 5.7 | 1.65 | 2 |
| M4 | 0.7 | 7.6 | 2.2 | 2.5 |
| M5 | 0.8 | 9.5 | 2.75 | 3 |
| M6 | 1 | 10.5 | 3.3 | 4 |
| M8 | 1.25 | 14 | 4.4 | 5 |
| M10 | 1.5 | 17.5 | 5.5 | 6 |
| M12 | 1.75 | 21 | 6.6 | 8 |
| M16 | 2 | 28 | 8.8 | 10 |
Nominal dimensions in millimetres as published in ISO 7380. Tolerances, material requirements and marking are defined separately by the issuing body.