411 REFERENCE · Wiktionary
Forstner bit
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From en Forstner<pos:proper noun> bit<pos:noun>. en Benjamin Forstner American inventor gunsmith merchant 1834 1897 =. after 1886.
Noun
A kind of drill bit that bores precise flat-bottomed holes in wood, in any orientation with respect to the grain.
en Tools Woodworking