Prevent rubbing action

Strengthen the cutting tool

Permit clearance between tool &work

Control the chip flow and geometry of chips

To control the chip flow

To increase the production

To increase the strength of the tool

To prevent the tool from rubbing with work

Prevent the tool from getting jammed

Increase the strength of the tool

Increase the production

To control the chip flow

Due to its ductility

Due to its brittleness

Due to its red hardness

Due to its cold hardness

Weaken the tool

Get more tool life

Strengthen the tool

Helps easy chip flow