Punching is carried out to create an attractive metal design or to make a hole.
For example: While preparing a head of hammer, the smith would hit a hole in a hefty bar or rod to the hammer handle. But it is not limited to holes and depressions. It may also include drifting, cutting and slitting — all this is done with the help of a chisel. Two characteristics of the punching process include:

o Its ability to make holes of different shapes effectively.
o Its capability to create holes in both sheet metal and strip during moderate or higher manufacturing processes.