PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified PF11MF-440-0-2

The PF11MF series consists of large knob, spring-loaded, flare-mounted captive panel screws designed for secure attachment of metal panels where repeated access is required, eliminating loose hardware risks. These screws install flush on the back side of the panel and are compatible with painted or stainless steel panels of any hardness. They feature a 2-thread design and are rated for close centerline-to-edge applications without requiring high installation force.