[Tidybuoy]

Originally Posted by Radioactive

Bit with a screw tip?

https://www.lowes.com/pd/Eagle-Tool-US-Auger-Style-3-4-in-x-24-in-Cable-Installer-Bit/1001438804

That's what I'm currently doing but the screw tip wants to hit the corner vs. the middle due to the 45-degree angle of the cross brace. If it was a simple horizontal fire break, it would be no problem.