PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF11MF-M5-1

The PF11MF series consists of spring-loaded, flare-mounted captive panel screws with a large knob for flush back-side installation and misalignment compensation. It features a shoulder for positive installation stop and anti-cross-threading. Constructed with an aluminum knob and retainer, a hardened carbon steel screw, and a 300 series stainless steel spring, the M5 variant has an ASME B1.13M, 6g thread. The standard finish is zinc-plated screw with natural anodized knob and retainer; an optional DuraBlack™ finish is available. The part provides a minimum 0.25mm float in all directions and requires a #2 driver. The countersunk hole size is 6.76mm, with a nominal retainer hole of 6.74mm and a 1.83mm minimum panel thickness for installation.