Wednesday, 7 October 2015

1) Centre Punch:

It is used to mark center of point. It is used for the marking of centre of hole and it drills the hole. The tip of centre punch has angle from 60 to 90 degrees. 


2) Pin Punch:

Pin punch is a type of punch used to remove metal pins from a hole. First to loose the metal pin starter punch is used and then the hole is made using the pin. 




3) Drift Punch:

Drift punch is constructed as a tapered rod with hammer acting on large end of taper. It is placed into semi aligned bolt holes which separates components. 



4)  Nail Punch:
Nail punch is a tool short rod of steel which is used to drive a nail below or flush with a surface.







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