PennEngineering® Large Knob, Spring-loaded - Types PF11M and PF12M - Unified PF11M-032-1

The PF11M series comprises large knob, spring-loaded, self-clinching captive panel screws designed for secure attachment of metal panels with repeatable service access. These fasteners feature a shoulder on the retainer to provide a positive stop during installation and are compatible with thin sheet materials. They are available with knurled or unknurled metal caps and support custom color options. The series includes variants rated for installation into stainless steel and painted panels, with options for black caps and anti-corrosion coatings. All PF11M fasteners retain their position without loose components and are suitable for applications requiring alignment and removal without disassembly.