Page 282 - THREADING CATALOG
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USER GUIDE
THREAD MILLING There are several methods used for thread milling operations. The cutter usually rotates clockwise, except in
Thread Milling Methods
special cases where the tool rotates counterclockwise. The spiral movement of the cutter can be clockwise or
counterclockwise, and the tool can produce a thread by top-down or bottom-up. The combination of these
movements depends on the type of thread required to produce; left-hand or right-hand threads.
Internal
External
Left-hand threading
Left-hand threading
Right-hand threading
Right-hand threading
Climb milling
Climb milling *
Conventional milling Conventional milling
* First choice
ISCAR
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