I do all my blank drilling on the drill press, with the aid of a simple jig. It consists of a 6" long piece of aluminum stock 3/4" X 2", with a 3/4" square hole in the center that goes 1/2 way through the 3/4" dimension. There is a round hole centered on the square recess that goes all the way through, and is large enough to clear the largest drill used.
One end of the jig has a pin protruding from the bottom, and the other end has a hole for a 1/4" bolt. In use it is laid on the DP table with the pin in one of the slots, and the spindle lowered until the bit passes through the hole in the center of the jig. The jig is positioned so the hole is centered on the drill bit, and a bolt through the hole in the end opposite the pin end clamps the jig in place through a table slot.
In use, a 3/4" blank is inserted in the square recess, (vertically), and the drill bit is centered on the blank, then drilled. If I only have one or two blanks to drill, I will sometimes grab a small machinist vice with a v groove, and turn it on it's side.
Can get a pic of the jig if anyone is interested.