Quote Originally Posted by dgage View Post
I had some additional T-Nut roll inserts from my CNCRP build and use those to screw into. Not saying this is the cheapest place to get them but this will give you an idea of what's available.

https://8020.net/catalog/category/vi...d/837/?cat=393
Thank you as I've never understood how that part works . There sure are a lot of accessories for extruded aluminum