The HEX FLANGE NUT LARGE FLANGE ZINC 1/4"-20 is designed for secure fastening in uneven surfaces, featuring a wide flange that acts as an integrated washer to distribute pressure effectively. Its serrated edges provide superior grip, reducing the risk of loosening over time. Manufactured from low carbon steel and coated with a zinc finish for corrosion resistance, this nut is ideal for automotive and industrial applications where reliability and strength are paramount. Suitable for various assembly tasks requiring robust fastening solutions.