PennEngineering® Large Knob, Spring-loaded - PEM C.A.P.S. - Metric PF11PM-M3-2-B

PF11PM is a spring-loaded, captive panel screw with a large knob, designed for easy service access and secure mounting in thin materials. It features a plastic PC/ABS knob (UL 94V-0, halogen-free), a hardened carbon steel screw and retainer, and a 300 series stainless steel spring. The part is flare-mounted and supports metric threads, with the M3 variant accommodating a 0.5 mm pitch and a maximum sheet thickness of 3.05 mm. The knob has a Phillips driver recess with a dot pattern indicating metric threading, and the assembly includes a retainer that provides a positive stop during installation. It is rated for use in sheet materials with hardness up to HRB 80 or HB 150. The standard color is black, and custom colors are available on special order. Installation requires a minimum hole spacing of 7.11 mm from the edge.