e/Through hole

Information
has gloss	eng: A Through Hole refers to a hole that is reamed, drilled, milled etc., completely through the substrate. In other words, a through hole is a hole that goes all the way through something. This is to distinguish it from a blind hole, which does not go all the way through the substrate.
lexicalization	eng: Through Hole
instance of	(noun) restraint that attaches to something or holds something in place fastening, holdfast, fastener, fixing