PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Unified PF11M-632-0

PF11M-series captive panel screws are spring-loaded, self-clinching fasteners designed for secure attachment of thin metal panels with repeated access. They feature a large knurled knob for manual actuation and a shoulder that provides a positive installation stop. These screws are suitable for use in applications requiring resistance to vibration and where loose hardware must be avoided. The series is available in standard and flush-mounted configurations with threaded sizes including 6-32, and the screw head is marked with the PEM® identity logo for authentic product verification.