Nutserts
https://www.amazon.com/FreeTec-Threaded-Riveter-Nutsert-Riveting/dp/B07MMBHSMX/ref=sr\_1\_12?crid=3KIP6ELWCKAKA&keywords=nutsert&qid=1648755463&sprefix=nut+certs%2Caps%2C146&sr=8-12