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the sleeve
The hole decreases due to metal expansion.
It would get larger due to the expansion of the metal (see the related links)
The sheet expands outwards as well
It is called a chuck
Blanking and punching are both shearing operation. The difference is only in the scrap. In blanking what you cut out is of interest.In punching what you cut from is of interest.For example: You cut a hole in a sheet metal. If you are interested in the disc that is cut out, then the process is called blanking. The sheet metal with a hole through it is the scrap. If you are interested in the sheet metal that now has a hole through it, then the process is called punching. The disc is the scrap.
It is usually called the cup, and it is not always metal.
Escutcheon
a needle
the hole that a shoelace on a boot goes through is called eyelets, loops, or lace holes.
Only if you can cut a hole in the sheet metal.
the sleeve
The hole decreases due to metal expansion.
reflection
It can travel through things like: Water Wood Metal Hole (like in card board paper)
You look in the mirror see what you saw get the saw cut the mirror in half 2 halfs make a hole jump through the hole.
a little metal loop you push the end through the hole in a needle and it's way easier to get thread on it