The PEM® PEMFLEX® self-locking, self-clinching fasteners are engineered for durability and reliability. Featuring a shoulder design for enhanced performance, these fasteners offer repeated use with effective prevailing locking torque. The flexing action allows for secure locking, while the flange provides a positive stop during installation. With thread locking performance equivalent to NASM25027 specifications, these fasteners ensure a strong and permanent attachment. Available in steel, stainless steel, and aluminum, they are suitable for various applications. The innovative PEMFLEX design with two rugged, semicircular flexing jaws ensures resistance to relaxation and loosening, even in severe service conditions. Additionally, the design protects the screw threads, minimizing the risk of damage. Trust in the proven performance of PEM® PEMFLEX® fasteners for your assembly needs.