PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF11MF-832-0

PF11MF is a spring-loaded, flare-mounted captive panel screw with a large knob, designed for secure fastening and easy service access without loose hardware. It installs into thin materials such as painted or stainless steel panels and provides retainer pullout resistance of 350 lbs for the M4 thread size. The fastener is compatible with 0.060-inch cold-rolled steel and features a 440, 632, 832, 032, or 0420 thread code, with the 832 code indicating an M4 thread. It installs flush on the back side of the panel and is suitable for applications requiring multiple screw mounts and alignment tolerance.