Yes they are also called 'Sex Bolts' or 'Sex Screws' and sometimes are refereed to as 'Barrel Nuts'.
Chicago Tribune is the name of a newspaper. Chicago Sun-Times is the name of another newspaper.
Coyne College in Chicago Illinios is the name of an electrical school. City Colleges of Chicago - Richard J Daley College is another electrical school in Chicago.
The another name for the Tommy gun is the Chicago typewriter or sometimes called the Thompson submachine-gun.
They began life in 1898 as the Chicago Orphans. I know they changed that to another name before they became known as the Chicago White Stockings.
Screws
Screws
what is the origin of the name Chicago
Screws
The Chicago Lions
Part of 55th street, from Western Ave. to Elsworth, is known as Garfield Boulevard.
In 1902, the Chicago Cubs got their current name.
They used to be called screws, but I'm not sure if that was just a British idiom, or an obsolete phrase. They may also be referred to as a "wheel".