The PEM® PEMFLEX® self-locking, self-clinching fasteners offer reliable performance with their shoulder design for increased efficiency. Their flexing action allows for repeated use while maintaining effective locking torque, and the flange ensures a positive stop during installation. With their all-metal construction in steel, stainless steel, or aluminum, these fasteners provide durable attachment with high torque-out and pushout resistances. The PEMFLEX design, featuring two rugged flexing jaws, prevents loosening and protects screw threads, making them ideal for demanding applications. With black dry film lubricant for steel and stainless steel types, these fasteners ensure optimal locking performance, while aluminum types require lubricated screws. Trust in the proven design of PEMFLEX fasteners for fast, simple assembly and long-lasting reliability in severe service conditions.