Updated better method here: https://youtu.be/M3Ul-s9_MA0
Make your own homemade broaching tool for “drilling” perfectly square holes in steel.
In this case we are using it as a tool holder on a milling machine slotting attachment.
Long term projects here: https://www.Patreon.com/AvE
Honda Accord Stuck Axle Spindle Nut – You may encounter a stuck nut. No penetrant or heat to 500 worked nor a 5 ft breaker bar. Needed Oxygen Acetylene use and heate the nut red then Impact and finally came off.