Standard Panel Fasteners CPFC2 are self-clinching captive screw assemblies engineered for removable sheet metal panels. Manufactured from 300 Series passivated stainless steel to ASTM A967, they provide permanent attachment while allowing repeated panel mounting and removal. Suitable for materials up to Rockwell B-70 hardness, the range covers imperial and metric threads, with installation and pushout performance specified for cold-rolled steel and 5052-H34 aluminium applications.