pilot bit

1. 1.

   a small bit that drills a first hole to guide a larger drill

   Broaderbit

Questions about pilot bit

What does pilot bit mean?

pilot bit means "a small bit that drills a first hole to guide a larger drill".

Is pilot bit a common word?

pilot bit is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.