PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF12MF-632-0-2

The PF12MF series comprises spring-loaded, flare-mounted captive panel screws with a large knob, designed for easy service access and secure mounting in thin metal panels. The screw is made of hardened carbon steel with a zinc plating per ASTM B633, SC1 (5µm), and the knob and retainer are aluminum with a natural finish. The spring is 300 series stainless steel. It features a Phillips driver recess and installs into panels with a minimum thickness of 0.000 inch, with a threaded hole size of 0.138-32 for the #6-32 thread. The retaining shoulder provides a positive stop during installation, and the float is a minimum of 0.010 inch in all directions. A black anodized knob and black nitride screw finish are available with a 'BL' suffix designation.