[one hot beader]

Don't use a dremel.

For all my opaque beads I just use the mandrel, scrubbed up and down a few times, Gets them as clean as they need.

For clear beads that I want really clean I use the mandrel and perhaps a pipe cleaner if I think they need a bit more.

Doesn't really take me any longer and I can sit in front of the TV and clean beads in downtime.

I find lining beads with a bit of silicone tubing stops them chipping when wired/on a head pin too.