The Threading Inserts are replaceable cutting inserts that find application in various milling and cutting purposes. These are used to create internal or external threads. The offered insert is used with a tool holder on a lathe or turning center. The provided insert creates a metal thread on plastic casings, housing, and many other parts. In addition to this, the offered threading insert provides an alternative to thread rolling, thread mills, and several other methods for creating threads on a workpiece.