
| There are several methods used for thread milling | or counterclockwise, and the tool can produce a |
| operations. The cutter usually rotates clockwise, except | thread by top-down or bottom-up. The combination |
| in special cases where the tool rotates counterclockwise. | of these movements depends on the type of thread |
| The spiral movement of the cutter can be clockwise | required to produce, left-hand or right-hand threads. |
Internal External
Right-hand threading Left-hand threading Right-hand threading Left-hand threading
Climb milling * Climb milling
Conventional milling Conventional milling
* First choice