Sheet metal fastener name?

Nutsert
Rivet nut


Screenshot_20221204-204014.png

https://www.harborfreight.com/10-in...MIzA0IBS16uFccC4yuVxW4DoZB4Nm3ZhoCIegQAvD_BwE
As 4spdragtop mentioned

Cage nut

Screenshot_20221204-203859.png


U Clips
Screenshot_20221204-204241.png