PennEngineering® Large knob, spring-loaded Types PF11 and PF12 - Unified PF11-0420-2-BL-FAS

PF11 series captive panel screws are spring-loaded, large-knob fasteners designed for secure attachment of thin metal panels with subsequent access required. They install self-clinching into sheet materials and feature a retainer shoulder providing a positive installation stop. The series includes variants with knurled or unknurled metal caps, black metal caps, and plastic caps, all compatible with standard driver recesses. Mounting styles include self-clinching, flare-mounted, and floating options. The PF11 design is listed with UL approval for corrosion resistance and is suitable for use in painted panels and stainless steel applications. All variants maintain consistent performance characteristics across the series.