JeffB wrote:
There are drills like this:
http://www.rockler.com/ecom7/product...erings_id=2354
or you can try to make a similar thing out of a piece of tubing. Then
plug the hole with a dowel, and drill the pilot hole again. This time -
and every time when using brass screws, thread a steel screw in the hole
first to cut the threads in the wood, then install the brass screw.

Or he
http://woodcraft.com/family.aspx?familyid=983

JES