PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF11MF-632-1-2

The PF11MF series consists of large knob, spring-loaded, flare-mounted captive panel screws designed for applications requiring easy service access without loose hardware. These fasteners are installed flush on the back side of the panel and are compatible with painted and stainless steel panels. They are available in multiple lengths and feature anti-corrosion resistance, spring-loaded actuation, and tool or hand operation. The series includes variants that accommodate thicknesses up to 0.125 inch and are suitable for installation into panels of varying hardness. Standard color is black, and they support misalignment tolerance. The exact part number PF11MF-632-1-2 is not printed, but the series is described with shared attributes for all variants.