PennEngineering® Screw Head, Spring-loaded - Metric PFS2-M5-50

PFS2-M5-50 is a spring-loaded captive panel screw with an external M5 x 0.8 metric thread, designed for tool or hand operation to attach thin metal panels with repeated access. The screw is made of carbon steel with a bright nickel over copper flash finish, and the retaining retainer is hardened carbon steel with a nylon ring rated to 200°F (93°C). It installs in sheet material up to 7.9 mm thick with a minimum hole size of 8.74 mm and requires a minimum edge distance of 11.47 mm. The assembly remains captive during installation and removal. The retaining ring is a PEM trademark and the fastener meets pressure requirements for use in aluminum and cold-rolled steel sheets, with a retainer pushout force of 1156 N and installation force of 15.6 kN in cold-rolled steel.