PennEngineering® Large Knob, Spring-loaded - PEM C.A.P.S. - Metric PF11PM-M4-2-U

PF11PM is a spring-loaded, captive panel screw with a plastic PEM® C.A.P.S.® knob, designed for easy access and secure retention without loose components. It installs into sheet metal with hardness up to HRB 80 or HB 150 and features a #2 Phillips driver recess. The screw has an M4 x 0.7 metric thread, a 5.84 mm shank length, and a maximum sheet thickness of 3.05 mm for the 2-length variant. The knob is colored U (violet), made of PC/ABS (UL 94V-0, halogen-free), and the retainer and screw are hardened carbon steel with a spring of 300 series stainless steel. The stud shoulder provides a positive stop during installation. The retainer permits a minimum float of 0.25 mm in all directions. The design accommodates a minimum hole-to-edge distance of 8.38 mm and a 11.43 mm clinch hole diameter.