Threading inserts are replaceable cutting inserts that are used to create internal or external threads. They are used typically with a tool holder on a lathe or turning center. Threading inserts ...

Grooving or recessing operations, sometimes also called necking operations, are often done on workpiece shoulders to ensure the correct fit for mating parts. When a thread is required to run the full ...

Inserts are classified as two general types: those held in place by external threads and those that use some means other than threads (knurls, grooves, interference fit) for their holding power.