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

PF12MF-M5-2-BL is a spring-loaded, flare-mounted captive panel screw with a large knob, designed for secure attachment and repeated access in thin metal panels. The part features an M5 x 0.8 metric thread, a 2.13 mm minimum installation sheet thickness, and a DuraBlack™ finish on both the aluminum knob and hardened carbon steel screw. It includes a 300 series stainless steel spring and a zinc-plated screw compliant with ASTM B633, SC1 (5µm), Type III. The design allows for a minimum float of 0.25 mm in all directions and fits a 6.76 mm minimum hole size in the panel. The screw head is compatible with a #2 Phillips driver. The assembly installs flush on the back side of the panel and accommodates painted or stainless steel sheets.