PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Metric PF12M-M4-0-2

The PF12M series consists of large knob, spring-loaded, self-clinching captive panel screws designed for secure attachment of thin metal panels with repeated access. These screws feature a knurled or unknurled metal cap and a spring-loaded mechanism to maintain positioning during installation. They are compatible with metric threads and suitable for applications requiring reliable fastening and easy serviceability. The series includes variants with different mounting styles, though the PF12M variant specifically uses a self-clinching installation method. All members of the series are marked with PEM® identifiers and meet the manufacturer's quality standards.