PennEngineering® Large Knob, Spring-loaded - PEM C.A.P.S. - Metric PF11PM-M3-0-V

PF11PM series captive panel screws are spring-loaded, flare-mounted fasteners with a PC/ABS knob for easy manual operation, designed for installation into thin sheet materials up to HRB 80 or HB 150 hardness. The part incorporates an M3 metric thread, a #2 Phillips driver recess, and a minimum floating capability of 0.25mm in all directions. The knob is available in colored finishes, with violet designated by the 'V' suffix, and meets UL 94V-0 flammability standards with a maximum operating temperature of 99°C. The retainer and screw are hardened carbon steel, the spring and clip are 300 series stainless steel, and the shoulder finish is bright nickel over copper flash per ASTM B689. The screw shank is zinc-plated per ASTM B633, and the assembly is intended for use in printed circuit boards or other thin substrates requiring repeated access.