Bullet molds made the old way are made using a cherry. The cherry looks just like the bullet, but is made like a milling cutter.
A special vise is used that has 2 moveable jaws, both move inwards toward each other to end up centered below the cherry. The mold blocks are mounted to those vice jaws, with the faces lined up perfectly so they close exactly as the center of the mold faces are directly under the cherry.
As the mold blocks close on the rotating cherry, the bullet cavity is cut into each block.
Modern molds are made with CNC milling machines that have a complicated programs written to do all the machining on every aspect of the mold.
If what you're asking is; can you make a mold at home with a simple drill press? Then the answer is no.
The more people I meet, the more I love my dog
They're going to get their butts kicked over there this election. How come people can't spell and use words correctly?