PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Unified PF11M-032-2

The PF11M series consists of large knob, spring-loaded, self-clinching captive panel screws designed for secure attachment of thin metal panels with repeated service access. The part accommodates M3 threading and provides a flush-mounted, spring-loaded mechanism that prevents loose hardware. It features a black oxide finish and is compatible with standard driver recesses as shown in the height comparison guide. The series includes variants for stainless steel and painted panels with anti-corrosion resistance and UL approval. The product is identified by unique PEM® markings including a single groove skirted shoulder and dimple. Installation data and performance specifications are provided for various sheet thicknesses and hardness levels.