PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Metric PF12M-M4-1

The PF12M series consists of large knob, spring-loaded, self-clinching captive panel screws designed for secure attachment of thin metal panels with repeated service access. These fasteners feature a shoulder on the retainer that provides a positive installation stop and are available with knurled or unknurled metal caps, black caps, or custom color plastic caps. The series supports installation into various sheet hardnesse, including stainless steel, and offers resistance to corrosion and UL approval for specific variants. All variants in the series are spring-loaded and designed to prevent loose hardware.