PEM® PEMFLEX® self-locking, self-clinching fasteners ensure reliable performance with their innovative design. Featuring a shoulder for enhanced functionality, these fasteners offer a secure hold with effective prevailing locking torque. The flexing action allows for repeated use without compromising locking performance, while the flange provides a positive stop during installation. With the thread locking performance meeting NASM25027 specifications, these fasteners guarantee durability and longevity. Available in steel, stainless steel, and aluminum, they cater to various application needs. The PEMFLEX design, with its rugged construction and precise engineering, not only prevents loosening in harsh conditions but also safeguards the integrity of screw threads. Trusted for their efficiency and effectiveness, these fasteners are ideal for a wide range of industrial and commercial uses.