PennEngineering® Screw Head, Spring-loaded - Unified PFS2-440-62

PFS2-440-62 is a spring-loaded captive panel screw with an external thread size of #4-40, designed for tool or hand operation in sheet metal up to 0.125 inch thick. The assembly features a hardened carbon steel screw with bright nickel over copper flash finish, a 300 series stainless steel retainer, and a nylon retaining ring with a temperature limit of 200°F (93°C). Minimum hole size is 0.060 inch, with a minimum edge distance of 0.28 inch and installed height of 0.540 inch. The screw remains captive during installation and removal, ensuring no loose hardware. The part is certified for use in materials with HRB 80 or less hardness or HB 150 or less. The blue plastic retaining ring is a PEM trademark.