boring bit

noun

noun

Synonym of drill bit.

Vintners tap a cask by broaching it, enlarging a hole with a boring-bit...1998, William Safire, Broaching a Sensitive Subject: Monica's Brooch (International Herald Tribune , 1998, France, English), page 2:
The door leaf requires a 1 3/8" (35 mm) dia. mortise—we recommend you use a wood boring bit...2017, McMaster-Carr, McMaster-Carr Catalog 123, page 2976:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.