PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF12MF-M3-0-BL

PF12MF-M3-0-BL is a spring-loaded, flare-mounted captive panel screw in the PF11MF/PF12MF series, designed for secure fastening with tool access and retention of components. It features a metric M3 x 0.5 thread, a knurled aluminum knob with black anodized finish, and a zinc-plated hardened carbon steel screw. The assembly includes a 300 series stainless steel spring and installs into sheets with a minimum thickness of 1.05 mm, requiring a 4.75 mm hole. The DuraBlack™ finish is designated by the '-BL' suffix. The screw allows a minimum float of 0.25 mm in all directions and is installed using a #1 Phillips driver.