PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF11MF-0420-0-2

PF11MF captive panel screws are spring-loaded, flare-mounted fasteners designed for secure attachment of thin panels with easy service access and prevention of loose hardware. They install flush on the back side of the panel and are suitable for use with painted or stainless steel panels. The design accommodates multiple panel thicknesses and provides resistance to vibration and misalignment. The part includes a large knob for hand actuation and is compatible with a variety of panel hardnesses.