Dax® — self-locking nut
Self-locking nut with an upper AISI 301 stainless insert. During tightening, the insert deforms elastically against the thread flank.
Dimensions by version
Dimensions in mm, separated by version. Standard: class 10 from M6, AISI 304 stainless from M4; flanged: class 8; low: class 04; capped: class 8 or stainless from M6. A dash indicates a pitch not listed in the table.
Standard
| Thread d | Coarse pitch | Fine pitch | Across flats s | Height h | Dimension m |
|---|---|---|---|---|---|
| M3 | 0.5 | — | 5.5 | 3 | 2.4 |
| M4 | 0.7 | — | 7 | 3.8 | 3 |
| M5 | 0.8 | — | 8 | 4.6 | 3.9 |
| M6 | 1 | — | 10 | 5.1 | 4.2 |
| M8 | 1.25 | 1 | 13 | 7.3 | 6.1 |
| M10 | 1.5 | 1.25 | 17 | 8.3 | 7.1 |
| M12 | 1.75 | 1.25 | 19 | 10.5 | 9 |
| M14 | 2 | 1.5 | 22 | 12.5 | 11 |
| M16 | 2 | 1.5 | 24 | 14.5 | 13 |
| M18 | 2.5 | 1.5 | 27 | 16 | 14 |
| M20 | 2.5 | 1.5 | 30 | 17.5 | 15.4 |
| M22 | 2.5 | 1.5 | 32 | 19.5 | 17.2 |
| M24 | 3 | 2 | 36 | 21.5 | 18.8 |
Flanged
| Thread d | Coarse pitch | Fine pitch | Across flats s | Height h | Dimension m | Flange dc |
|---|---|---|---|---|---|---|
| M5 | 0.8 | — | 8 | 6 | 5.3 | 11 |
| M6 | 1 | — | 10 | 6.9 | 6 | 13 |
| M8 | 1.25 | — | 12 | 8.5 | 7.5 | 17 |
| M10 | — | 1.25 | 14 | 10 | 8.8 | 19 |
| M12 | — | 1.25 | 17 | 12.5 | 11.2 | 24 |
| M14 | — | 1.5 | 19 | 15 | 13.5 | 26 |
| M16 | — | 1.5 | 22 | 16.5 | 15 | 30 |
| M18 | — | 1.5 | 24 | 18 | 16.5 | 32 |
Low
| Thread d | Coarse pitch | Fine pitch | Across flats s | Height h | Dimension m |
|---|---|---|---|---|---|
| M4 | 0.7 | — | 7 | 3.1 | 2.3 |
| M5 | 0.8 | — | 8 | 4 | 3.3 |
| M6 | 1 | — | 10 | 4 | 3.1 |
| M8 | 1.25 | — | 13 | 5 | 3.8 |
| M10 | 1.5 | 1.25 | 17 | 6.5 | 5.3 |
| M12 | 1.75 | 1.25 | 19 | 8.5 | 7 |
| M14 | 2 | 1.5 | 22 | 9.5 | 8 |
| M16 | 2 | 1.5 | 24 | 12 | 10.5 |
| M20 | 2.5 | 1.5 | 30 | 14 | 11.9 |
Capped
| Thread d | Coarse pitch | Fine pitch | Across flats s | Height h | Dimension m |
|---|---|---|---|---|---|
| M5 | 0.8 | — | 8 | 9 | 3.9 |
| M6 | 1 | — | 10 | 10.5 | 4.2 |
| M8 | 1.25 | — | 13 | 13 | 6.1 |
| M10 | 1.5 | 1.25 | 17 | 15.5 | 7.1 |
| M12 | 1.75 | 1.25 | 19 | 19 | 9 |
| M14 | 2 | 1.5 | 22 | 24.5 | 11 |
| M16 | 2 | 1.5 | 24 | 26.5 | 13 |
| M18 | 2.5 | 1.5 | 27 | 28.5 | 14 |
| M20 | 2.5 | 1.5 | 30 | 31 | 15.4 |
The locking system
Metal locking system with an insert separate from the nut body.
| Insert | AISI 301 stainless steel |
|---|---|
| Versions | Standard, flanged, low, capped |
| Nut body | Steel 8; 04 for low nuts; 10 or AISI 304 stainless according to version. |
| Steel finish | Cr3 clear zinc plating; selection by version. |
Size, pitch and material, class and finish combination must be confirmed against the requested original part number. No stock availability is implied.
Application selection
For industrial machinery, maintenance and electromechanical assemblies, assess vibration, temperature, mating bolt and tightening procedure. Suitability is determined for the specific joint.
Industrial machinery & OEM → · HVAC & electromechanical →Manufacturer and documentation
This document describes an original Gally® family. Its performance is not attributed to equivalent products from other manufacturers.
Gally® — the brand →View official Gally® documentation ↗
Dueemme technical summary, not a manufacturer certificate.