Flute bit

a boring tool for piercing ebony, rosewood, and other hard woods.

See also: Flute

References in periodicals archive ?
Lap joints can be made several ways, but building this simple jig and using a top-bearing straight flute bit is the most efficient because we also use the same bit for making the oval blanks.
It was a folk Pakistani song played very well by all the musicians, especially the flute bits, performed by one of Francesca's band members.
The machine cut with straight flute bits. So although some parts could be done with one pass of the bit, others required three or four bit changes.