drill bit

US /ˈdrɪl bɪt/
UK /ˈdrɪl bɪt/
"drill bit" picture
1.

foret, mèche

a cutting tool used to remove material to create holes, almost always of circular cross-section

:
He inserted the drill bit into the chuck.
Il a inséré le foret dans le mandrin.
Make sure to use the correct drill bit size for the screw.
Assurez-vous d'utiliser la bonne taille de foret pour la vis.