Product Description
Metric Grade 8 zinc plated steel serrated flange nuts to DIN 6923, suitable for use with metric bolts, set screws, studs and threaded bar.
These hexagon flange nuts feature an integrated washer-style flange which helps spread load over a wider surface area. The serrated underside bites into the mating surface when tightened, helping to resist loosening caused by vibration or movement.
- Metric serrated hexagon flange nuts
- Grade 8 / Class 8 zinc plated steel
- DIN 6923 serrated flange nut pattern
- Integrated flange helps spread clamping load
- Serrated underside helps resist vibration loosening
- Available in M5, M6, M8, M10 and M12 sizes
- Suitable for automotive, engineering, fabrication and maintenance use

| A | B | C | D | E |
| M5 | 11.8mm | 8mm | 5mm | 0.8 |
| M6 | 14.2mm | 10mm | 6mm | 1 |
| M8 | 17.9mm | 13mm | 8mm | 1.25 |
| M10 | 21.8mm | 15mm | 10mm | 1.5 |
| M12 | 26mm | 18mm | 12mm | 1.75 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.