PEM self-clinching captive panel screw products includes several UL-approved types designed specifically for tool-only operation. They are ideally suited to attach thin metal panels in applications where subsequent access will be necessary. Type PFC2P recessed-head, spring-loaded panel fastener assemblies have Phillips drive; Type PFC4spring-loaded panel fastener assemblies with Phillips drive; and Type PF10 flush-mounted panel screw components combine screw with slot drive, retainer, and receptacle nut.