PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Unified PF12M-440-0-BL

The PF12M series consists of large knob, spring-loaded, self-clinching captive panel screws designed for secure attachment of thin metal panels with repeated access. These fasteners include a shoulder on the retainer to provide a positive stop during installation and are compatible with standard driver recesses. The series supports installation into various sheet materials and hardnesses, and includes options for different cap finishes, including black metal caps. The PF12M variant is specifically designed for self-clinching application and is part of a broader range of captive panel screw assemblies from PEM®.