Facing tool

Turning tool

Form tool

Boring tool

Front clearance angle increases

Front clearance angle decreases

Front clearance angle remains the same

Front clearance angle becomes zero

Boring

External threading

Internal threading

All the above

Cast steel

Mild steel

High speed steel

Cast iron

Chaser is a single point cutting tool

Cutting threads by a chaser is slower process than that by a single point tool

Cutting threads by chaser gives better finish

The same chaser can be used for cutting any pitch of thread irrespective of the type of chaser used