A small metal fastener with a helical ridge, used with a screwdriver. Often distinguished from ネジ (which can also refer to bolts).
from French vis
I fastened the shelf board with screws.
You need a few screws to assemble this furniture.
The screw is loose, so please tighten it with a screwdriver.
I tightened the screw firmly with a screwdriver.
Loosen the screws before taking it apart.
本 is used because a bisu (screw/bolt) is long and thin, like a stick.
Borrowed from French 'vis' (screw). The katakana form ビス reflects the French pronunciation.