There is a simple rule for defining types of insert or holder cutting direction.
Most of insert’s which we are using are natural such as DNMG or CNMG, in the other hand, when you use G tolerance insert with ground chip breaker, insert with basic chipbreaker or full edge PCD&CBN inserts we have to be able realize cutting direction, so, please follow the instruction.
Put your left or right hand on the cutting edge in that way which your finger points corner radius and thumb be in cutting direction.
Which hand is matched with this rule, it’s defines your type of insert or holder cutting directio.
