Machining titanium and stainless steel jewelry

Step 7 Drill your balls

Chuck up one of the ball bearings in the lathe and use the center drill to start drilling it. The center drill does a good job of breaking through the ball's crunchy outer shell to the gooey center. Usually, ball bearings are pretty hard and difficult to drill without annealing. Stainless doesn't harden very well and I haven't had any problems with drilling them.