Here is a draw bar hammer I made. I used a 3/4" deep socket as the base of it. I machined a square on the brass insert and pressed it into the square on the socket. I then made a steel insert to take up all the empty space in the middle of the socket so I would have something to tap into. Drilled and tapped to 1/2-20 (The socket was hard-ish, but softer than I expected). Turned and knurled an Aluminum handle to fit and voila! Now I can loosen and tap in one fell swoop. Soon the world will be mine, mwahahaha!
