Before knowing various Types of Punches let us know what is punch tool, where they used and it's importance.
The Centre and Dot Punch
Screw Hole Punch + How To Use Them
Hand tools
Punch (tool) - Wikipedia
Punch (tool) - Wikipedia
Axminster Workshop 8 Piece Nail & Centre Punch Set
Buttonhole Leather Punch 6mm Tandy Leather 3779-05
Forming options in the modern punch press grow in metalworking
14 Types of Punches (Tool): Applications, Precautions, Working Principle, Advantages & Disadvantages - Engineering Learn
SINE BAR AND ITS APPLICATIONS
6 Types of Punches in Workshop + Table of Characteristics & Usage
Types of Punches PDF
Maximum sheet metal punching, minimal distortion
3 HIGH TEMPERATURE MEASURING DEVICES-PYROMETERS