PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Metric PF11M-M6-1-2

The PF11M series consists of large knob, spring-loaded, self-clinching captive panel screws designed for attaching thin metal panels with repeated service access. These screws include a shoulder on the retainer to provide a positive stop during installation and are available with knurled or un-knurled metal caps, black metal caps, or custom color plastic caps. The series supports installations in holes with varying sheet hardness and accommodates alignment tolerances. All variants in the series are compliant with PEM® branding and quality standards, and feature a spring-loaded mechanism to maintain engagement without loose hardware.