PEM® PEMFLEX® self-locking, self-clinching fasteners are engineered for durability and reliability. With a shoulder design for enhanced performance and a flexing action that allows for repeated use while maintaining effective locking torque, these fasteners provide a secure and long-lasting solution. The flange ensures a positive stop during installation, while the thread locking performance meets stringent NASM25027 specifications. Available in steel, stainless steel, and aluminum, these fasteners offer versatile application options. The PEM design features two rugged, semicircular flexing jaws for superior retention and prevents relaxation or loosening in demanding environments. With high torque-out and pushout resistances, they provide a robust attachment that withstands tough conditions. Trust PEMFLEX® fasteners for efficient and reliable assembly.