Anand
10 April 2025
Punches
There are two main types of punches used in marking:
a) Dot Punch
📌 Use: Makes small, light marks to guide marking lines
📏 Point Angle: 60°
🔹 Used before center punching
b) Centre Punch
📌 Use: Makes deep marks to guide the drill bit
📏 Point Angle: 90°
🛠️ Prevents drill bit from slipping