PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Metric PF12M-M3-5-2

The PF12M series consists of spring-loaded, self-clinching captive panel screws with a large knob, designed for secure attachment of thin metal panels requiring repeated access. The fastener includes a shoulder on the retainer that provides a positive stop during installation and is suitable for use in applications needing resistance to vibration and loose hardware. It is available in metric threading, with the M3 thread size and standard driver recess shared across the PF11M and PF12M variants. All members of the series feature integrated spring loading and retainers to prevent loss during disassembly.