PennEngineering® Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified PF12MW-0420-1-2-BL-2

PF12MW-0420-1-2-BL-2 is a spring-loaded, flare-mounted, floating captive panel screw with a knurled knob, designed for applications requiring compensating for mating hole misalignment. It features a 1/4-20 thread, a 0.413 inch nominal shank length, and a DuraBlack™ finish, as indicated by the "BL" suffix. The assembly includes a 300 series stainless steel spring, an aluminum knob and retainer, and a hardened carbon steel screw. The part allows for a 0.025 inch (0.64 mm) floating range and installs into panels with a minimum thickness of 0.063 inch. A mating washer is included. All dimensions conform to ASME B1.1 and ASME B1.13M standards. Installation data and performance ratings are provided in the manufacturer's documentation.