Serrated flange nuts are hex nuts with non-spinning washers attached at the bottom. Underneath the washers are serrations which allow the nuts to securely fasten when vibrations are present and prevent them from being used with washers or on surfaces that can be scratched.

Serrated flange nuts are innovative fasteners designed with a built-in flange that features serrations or teeth to prevent loosening from vibration. These nuts provide a secure grip by embedding into the mating surface, making them ideal for high-vibration applications in automotive, machinery, and construction settings. The serrated flange enhances stability and load distribution, while the high-quality materials ensure durability and corrosion resistance for long-lasting performance.