The PEM® PEMFLEX® self-locking, self-clinching fasteners offer reliable performance with their unique design. Featuring a shoulder for enhanced functionality, these fasteners deliver effective prevailing locking torque, ensuring secure attachment. Their flexing action allows for repeated use without compromising locking performance, while the flange provides a convenient stop during installation. With equivalent thread locking performance to NASM25027 specifications, these fasteners are ideal for various applications. Available in steel, stainless steel, and aluminum, they are versatile and durable. The PEMFLEX design, with two rugged flexing jaws, ensures long-term stability and prevents loosening in harsh conditions. Trust in these fasteners for efficient and secure assembly.