PennEngineering® Large Knob, Spring-loaded - PEM C.A.P.S. - Unified PF11PM-440-1-M-2

The PF11PM series consists of spring-loaded, flare-mounted captive panel screws with a plastic (PC/ABS) knob and a hardened carbon steel screw and retainer, designed for mounting in sheet metal up to HRB 80 or HB 150 hardness. The knob features a Phillips driver recess and is available in black as standard, with other colors on special order. The part includes a retaining clip and spring made of 300 series stainless steel, and the threaded shank has an external ASME B1.1, 2A / ASME B1.13M, 6g thread. The assembly provides a minimum float of 0.25 mm in all directions. Installation requires a minimum edge distance of 7.11 mm for the #4-40 thread size. The knob material meets UL 94V-0, halogen-free standards with a maximum operating temperature of 99°C.