PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF12MF-632-2

PF12MF-632-2 is a spring-loaded, flare-mounted captive panel screw with a large knob, designed for secure attachment and easy service access without loose hardware. It features a #6-32 external thread, a hardened carbon steel screw, an aluminum knob and retainer, and a 300 series stainless steel spring. The screw installs with a shoulder providing a positive stop during installation and allows a minimum float of 0.25 mm in all directions. The knob has a smooth cap finish, and the screw is zinc plated per ASTM B633, SC1 (5 µm), Type III, colorless. The part is installed into a minimum sheet thickness of 0.084 inch and has an overall installed height of 0.350 inch. It is compatible with a #2 Phillips driver.