
Self-Clinching Nuts
Standard clinch nuts in steel, stainless, hardened stainless and aluminium.

Miniature clinch nuts for small screws.
Miniature non-locking clinch nuts for small screws in thin sheet, where a standard clinch nut is too large.
Full dimensions, preferred lengths and installation / push-out / torque-out performance data are in the tables below, taken from the self-clinching fasteners catalogue.
| Part numbers | SG-U, SG-FEX, SG-FEOX |
|---|---|
| Stainless Steel | SG-U, SG-FEX, SG-FEOX |
| Sizes | M2, M3, M4, M5, M6 |
| Sheet hardness (SG-U/FEX/FEOX) | HRB 70 or less |
All dimensions in mm unless stated. Values from the self-clinching fasteners catalogue. Install into sheet within the hardness limits shown in the specifications.
| Thread | M2 |
|---|---|
| E | 4.07 |
| A | 0.79 |
| C | 3.60 |
| D | 2.50 |
| T | 1.65 |
| Sheet thickness | 0.76 - 0.91 |
| Recommended hole size +0.08 | 3.61 |
| Min. distance to edge of sheet | 2.80 |
| Thread | M3 | M4 | M5 | M6 |
|---|---|---|---|---|
| E | 4.88 | 8.17 | 8.17 | 9.74 |
| A – SG-FEX | 1.53 | 1.53 | 1.53 | 1.53 |
| A – SG-FEOX | 1.02 | 1.02 | 1.02 | 1.53 |
| C | 4.37 | 7.37 | 7.37 | 8.72 |
| D | 3.96 | 5.23 | 6.48 | 7.72 |
| T | 1.9 | 2.55 | 3.05 | 3.3 |
| Sheet thickness – SG-FEX | 1.5 - 1.78 | 1.5 - 1.78 | 1.5 - 1.78 | 1.5 - 1.78 |
| Sheet thickness – SG-FEOX | 0.99 - 1.14 | 0.99 - 1.14 | 0.99 - 1.14 | 1.5 - 1.78 |
| Hole size in sheet +0.08 | 4.39 | 7.39 | 7.39 | 8.74 |
| Min. distance to edge of sheet | 3.6 | 5.2 | 5.2 | 7.1 |
For M6 the catalogue gives one value of A (1.53) and of sheet thickness (1.5 - 1.78) for both SG-FEX and SG-FEOX.

Standard clinch nuts in steel, stainless, hardened stainless and aluminium.

Clinch nuts that finish flush on both sides of the sheet.

Threaded nuts for PCBs and non-ductile materials.

Closed-end clinch nuts that seal and protect the thread.

Floating nuts that allow for hole misalignment.

Clinch nuts with a nylon locking element.