PennEngineering® Large knob, spring-loaded Types PF11 and PF12 - Metric PF11-M3-5-0-BL

The PF11 series consists of large knob, spring-loaded, self-clinching captive panel screws designed for secure fastening of thin panels with repeated access. The part is installed into punched holes and retains the screw body within the assembly to prevent loss of hardware. Mounting styles include self-clinching, flaring, and floating variants, with options for knurled or smooth caps and black or custom-colored finishes. The series includes metric threading and is compatible with stainless steel and painted panels. All variants meet PEM® quality standards and are marked with registered identifiers for authenticity.