PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Unified PF12M-632-0-BL

The PF12M series consists of large knob, spring-loaded, self-clinching captive panel screws designed for easy service access and to prevent loose hardware. These fasteners are intended for use in thin metal panels or similar materials where repeated access is required. The series includes variants with a black metal cap and is compatible with standard driver recesses for M3 threading. All members of the series share the same self-clinching installation style and include a spring-loaded mechanism for secure retention and reassembly. Physical dimensions and installation heights are standardized within the series but not specified here.