drill bit
US /ˈdrɪl bɪt/
UK /ˈdrɪl bɪt/

1.
broca, punta de taladro
a cutting tool used to remove material to create holes, almost always of circular cross-section
:
•
He inserted the drill bit into the chuck.
Insertó la broca en el portabrocas.
•
Make sure to use the correct drill bit size for the screw.
Asegúrate de usar el tamaño de broca correcto para el tornillo.