The CLA-0420-3 is a self-clinching nut designed for installation in aluminum sheets, featuring a 1/4-20 thread and a shank code of 3, which supports a maximum sheet thickness of 0.125 in. The nut has a head diameter of 0.440 in, a height of 0.344 in, and requires a hole size of 0.343 in. It installs with a minimum centerline-to-edge distance of 0.34 in and includes a serrated clinching ring to prevent rotation after installation. The part is made from aluminum and is intended for use in aluminum sheets with a hardness of HRB 50 or less.
Self-clinching nuts are installed by placing them in properly sized holes in sheets and applying a parallel squeezing force to the head of the nut. The sheet metal surrounding the head cold flows into an undercut thereby making the fastener an integral part of the sheet. A serrated clinching ring prevents the fastener from rotating after installation.
Type CLA aluminum nuts are recommended for use in aluminum sheet with a hardness of HRB 50 or less on the Rockwell “B” scale.
Unplated threads are sized to accept a basic go gauge after .00025” plating.
| PennEngineering® | bisco industries | |
|---|---|---|
| Product Category | Nuts | Nuts |
| Product Number | CLA-0420-3 | CLA-0420-3 |
| Product Name | Self-Clinching Nuts - Type CLA - Unified | Clinch Nuts |
| Type | Self-Clinching Nut | Self-Clinching Nut |
