The PEM® PEMFLEX® self-locking, self-clinching fasteners offer reliable performance with their unique design. Featuring a shoulder for enhanced functionality, these fasteners provide a secure hold with effective prevailing locking torque. The flexing action allows for repeated use without compromising locking efficiency, while the flange ensures a positive stop during installation. With thread locking performance meeting NASM25027 specifications, these fasteners are ideal for various applications. Available in steel, stainless steel, and aluminum, they guarantee durable and permanent attachment. The innovative design with two rugged flexing jaws prevents loosening in demanding conditions and protects the screw threads, making them a reliable choice for assembly needs.