rivet
US /ˈrɪv.ɪt/
UK /ˈrɪv.ɪt/

1.
a short metal pin or bolt for joining two plates together, its headless end being beaten out or pressed down when in place.
:
•
The old bridge was held together by thousands of steel rivets.
•
Each rivet had to be carefully placed and hammered.
1.