PennEngineering® Large knob, spring-loaded Types PF11 and PF12 - Unified PF11-032-1-BL

The PF11 series comprises large knob, spring-loaded captive panel screws designed for easy service access and secure fastening of thin metal panels without loose hardware. These fasteners install into sheets with a self-clinching method and feature a spring-loaded mechanism for retained engagement. Available in standardized sizes, they accommodate mating threads and are suitable for applications requiring repeated access. The series includes variants with flaring or floating mounting styles and offers options for black or custom-colored caps. All members share consistent performance characteristics and installation requirements as defined by PEM® captive hardware standards.