Ezy out method
Making drill hole
Prick punch method
Using square taper punch
60 Degree
90 Degree
105 Degree
120 Degree
Point angle
Rake angle
Chisel angle
Clearance angle
Drill a hole
Enlarging a hole
Threading a hole
Finishing to correct size of the drilled hole
Used for hard material
Used for brittle material
Used for soft and tough material
Used for normal low carbon steel
