drill bit

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

鑽頭, 鑽咀

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

:
He inserted the drill bit into the chuck.
他把鑽頭插入夾頭。
Make sure to use the correct drill bit size for the screw.
確保為螺絲使用正確的鑽頭尺寸。