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

The PF11PM series consists of large knob, spring-loaded, plastic PEM® C.A.P.S.® captive panel screws designed for easy service access without loose hardware, installed into sheet metal with hardness up to HRB 80 or HB 150. The screw features a Phillips driver, a PC/ABS knob (UL 94V-0, halogen-free), hardened carbon steel screw and retainer, and a 300 series stainless steel spring. The knob color is user-selectable, with black standard, and other colors available on special order. The part mounts flush with a clinching profile, allowing for .010"/0.25mm minimum floating capability in all directions. It uses an external thread of .112-40 (4-40) with ASME B1.1, 2A / ASME B1.13M, 6g specification. The assembled height above the sheet is .417" with a minimum sheet thickness of .036" and a minimum hole edge distance of .28". Installation requires a #2 driver.