PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF11MF-0420-1-2

The PF11MF is a spring-loaded, flare-mounted captive panel screw designed for easy service access without loose hardware, suitable for attaching thin metal panels where repeated access is required. It installs flush on the back side of the panel and is compatible with painted panels and stainless steel. The design accommodates threading misalignment and offers anti-corrosion resistance. The part is identified by a double-square PEM® marking and is part of a series that includes PF12MF, sharing common features such as a large knob and spring-loaded actuation.