Correct option is C
A
center punch is a hand tool used to mark the center of a point or create an indentation on a surface, typically before drilling. The tip must be made from a material that is
hard and durable, as it needs to withstand repeated hammering and indentation on metal surfaces.
The tip of a center punch is made of high carbon steel
Punch are used for permanent marking or witness marking.
It is classified according to the shape of their points.
Punch Points angle
Centre punch 90°
Dot punch 60°
Prick punch 30°
