Self-locking serrated flange digs into the material being fastened to help prevent loosening.
Made of high quality stainless steel 304, provides good strength and corrosion resistance in bad environments.
Flange Nuts have flat and serrated designs designed to act as an integrated, non-spinning washer, eliminating the need for a separate washer. Serrated flange nuts are fabricated with a built in serrated washer that resist loosening due to vibration.