These pics are from the right side tie rod failure on Elvis, a 1947 DeSoto Custom Sedan that's been heavily modified, and not all in a good way.
This car has a "rack and pinion conversion kit" that used an early GM J/L/N body rack (Cavalier, Corsica/Beretta, Grand Am, etc.) and 2004-2005 Ford Explorer outer tie rods.
If you're using 2004-2005 Ford Explorer outer tie rods, you're risking this type of failure. The failure occured in the thinner section of the threaded adj