CFHA-632-16 is a concealed-head self-clinching stud for aluminum sheets with a #6-32 thread and a 1 in. length. It installs permanently in sheet materials as thin as 0.062 in. (1.6 mm), requiring only a blind milled hole for installation. The design ensures the opposite side of the sheet remains smooth and unmarred, supporting sealed enclosures with ingress protection. The stud is recommended for aluminum sheets with hardness of HRB 50 / HB 89 or less and installs using a standard press. It meets NAS63540/4 specifications when ordered with the corresponding nominal part number.
These studs ensure permanent mounting in metal sheets as thin as .062 in.
The fastener head is locked securely in a blind, milled hole and is able to handle substantial loads. The concealed-head feature allows the side of the sheet opposite installation to remain smooth.
Sheet preparation only requires a milled blind hole to the recommended minimum depth. Center-cutting end mills for hole preparation are available from PennEngineering. Installation of the concealed-head studs and standoffs is simple using a hollow anvil and solid punch. Place the head of the fastener in the hole and insert using any standard press. Displaced sheet metal flows smoothly around the head into the undercut.
| PennEngineering® | bisco industries | |
|---|---|---|
| Product Category | Studs | Studs |
| Product Number | CFHA-632-16 | CFHA-632-16 |
| Product Name | Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Unified | Concealed Head Studs |
| Attachment | Pressed | Threaded |
| Shape | Round | |
| Design Units | English | English |
| Inch | # 6 | # 6 |
