PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF12MF-M5-1

PF12MF-M5-1 is a spring-loaded, flare-mounted captive panel screw with a large knob, designed for secure, tool-free access in thin metal panels. It features a metric M5 x 0.8 thread, a 1.83 mm minimum panel thickness requirement, and a maximum installed height of 16.26 mm. The knob and retainer are aluminum, the screw is hardened carbon steel, and the spring is 300-series stainless steel. The finish is zinc-plated on the screw with a natural finish on the knob and retainer, unless specified with a BL suffix for DuraBlack™. It includes a shoulder for positive installation stop and allows a minimum float of 0.25 mm in all directions. The part requires a #2 Phillips driver.