PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF12MF-M5-1-2

PF12MF captive panel screws are spring-loaded, flare-mounted fasteners with a large knob, designed for secure attachment and easy service access without loose components. The screw body is hardened carbon steel with zinc plating per ASTM B633, the knob and retainer are aluminum, and the spring is 300 series stainless steel. It installs into a minimum panel thickness of 1.52 mm and accommodates M5 x 0.8 metric threads. The flare-mounted design provides a positive stop during installation and allows for .010"/0.25 mm minimum float in all directions. The part includes a Phillips driver recess and is available with natural or DuraBlack finish options.