A few years ago, I was installing some balusters that the customer had picked up from a salvage yard for his stairway. I went to my local lumber supplier and bought some 3/4″ dowels to insert into the bottom of each baluster so we could glue them into holes in the stair treads. When I drilled a 3/4″ hole in the bottom of one of the balusters with my paddle-bit, the dowel fit was sloppy at best. Both dowels were definitely a bit narrower than 3/4″. My next size bit was 11/16″ and that was too small. So I clamped my 3/4″ paddle bit in a vise and filed each side of the bit, then tried some test holes.
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