Forstner bits for tea light candles

I've been having some fun trying out different uses for tea light candles, and needed a Forstner bit that would allow easy insertion and removal of the candle without excess play.

I got the best results with both 40mm and 1-9/16" bits.  The amount of extra room, using a candle in a clear plastic case, was about 1.5mm for the 40mm bit, and about 1mm for the 1-9/16".

Neither size bit is likely to be included in a set, but if you plan to make tea light holders in any quantity, it's worth the small investment for a more attractive project.