Blind rivet nuts

Illustration of Blind rivet nuts

threaded rivets that can be mounted in holes in thinner material to create an adequate thread depth

By MAKING a hole in a thinner plate and then mounting a blind rivet nut, one can create a thread that is not possible to create in the initial hole.
 
In laser cutting or punching of sheet metal, one can create hexagonal holes to mount hexagonal blind rivet nuts. These eliminate the risk of the rivet loosening and starting to rotate with the screw.
LASER
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