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

Hand reamer

Socket reamer

Machine reamer

Helical fluted reamer

Keep size of hole accurate

Removes the burr from the hole

Provide smooth functioning of reamer

Keep reamer concentric with hole to be reamed