PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF12MF-M5-2-2

PF12MF captive panel screws are spring-loaded, flare-mounted fasteners with a large knob, designed for secure panel attachment and easy service access. The screw is made of hardened carbon steel with a zinc-plated finish per ASTM B633, and the knob and retainer are aluminum with a natural finish. The M5 thread is metric, compliant with ASME B1.13M, 6g. The part accommodates panel thicknesses from 0.084 to 0.350 in (2.13 to 8.89 mm) and provides a minimum float of 0.010 in (0.25 mm) in all directions. It installs into panel holes with a maximum diameter of 0.266 in (6.76 mm) and requires a #2 Phillips driver. Installation includes a shoulder for a positive stop, ensuring flush mounting on the back side of the panel.