M5 T-nut for 2040mm aluminum extrusions

I made this as I ran short on square nuts while building my AM8 frame, these will hold the control panel to the front of the frame. I wouldn't suggest using these to secure anything that needs to be held firmly as they will just strip out. I will probably replace these with real nuts in the future.

You can screw in a nut into the bare hole but it will warp the nut and lock it in place pretty firmly. I tapped them with an M5 tap.

I run the nut upside down along the slot to smooth out the ra