Screw
A screw was a small metal object used to join different parts of a structure together.

Sometime before 2152, a young  removed the screws from his family's dining room table on Thanksgiving. ()

In 2366, Paul Stubbs dismissed concerns about the sentience of the nanites, calling them "machines with a screw loose", a fact which Data disputed, giving their intelligent actions as evidence. ()

In 2375, Tom Paris cautioned Chakotay about a sentient missile's internal sensor array, warning that if they tried to even loosen a screw, it would explode. ()

External link 
 

Household tools