roller bit

1. 1.

   a drill bit that has hardened rotating rollers

   Synonymsrock bit

   Broaderdrilling bit

Questions about roller bit

What does roller bit mean?

roller bit means "a drill bit that has hardened rotating rollers".

What is another word for roller bit?

Close synonyms include rock bit. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is roller bit a common word?

roller bit is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.