Punching is the process of creating a form or hole in a sheet of metal by applying high force to a tool and die to either indent the metal sheet or to sheer through it. The tool is often made from hardened steel or tungsten and can be repeatedly and rapidly forced through the sheet.
Punching is often the most efficient and cost-effective method of perforating sheet metal. Various sizes and shapes of hole or extrusions can be created depending on the tools used and geometry of the punch “hits”.
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