Types Of Punch And Angle. A 90 degree punch and die set was used to produce a 90 degree bend. The width of its face defines this type of punch for example 1 8 in or 1 4 in.
It has a sharper angled tip to produce a narrower and deeper indentation. It is also known as a dot punch. If you want to save steel you can place the handle or porta punch carbon steel.
In coining the dies were angularly cut to the set angle of the bend.
The width of its face defines this type of punch for example 1 8 in or 1 4 in. The indentation can then be enlarged with a center punch for drilling. Usually a center punch is heavier than a prick punch and has a point ground to an angle of 60ΓΆΒΊ. For driving out damaged rivets bolts and pins that are bound up in holes you should use the drive punch.
