ISOnutsFlange
ISO 4161 Hexagon Flange Nut
A hex nut with a wide circular flange that spreads the clamping load and behaves like an integrated washer. Speeds up assembly versus nut + washer.
Dimensions8 sizes · millimetres
| Thread d | Pitch P (mm) | Width across flats s (mm) | Flange diameter dc (mm) | Nut height m (mm) |
|---|---|---|---|---|
| M5 | 0.8 | 8 | 11.8 | 5 |
| M6 | 1 | 10 | 14.2 | 6 |
| M8 | 1.25 | 13 | 17.9 | 8 |
| M10 | 1.5 | 15 | 21.8 | 10 |
| M12 | 1.75 | 16 | 26 | 12 |
| M14 | 2 | 18 | 29.6 | 14 |
| M16 | 2 | 24 | 31.9 | 16 |
| M20 | 2.5 | 30 | 42.8 | 20 |
Nominal dimensions in millimetres as published in ISO 4161. Tolerances, material requirements and marking are defined separately by the issuing body.
Available sizeslinked to individual specification pages
M14
M16