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2019-01-02

Machining tip #203

 

Thread turning inserts have either a partial or full profile. A partial profile finishes only the root of the thread and does not touch the crest. The same partial profile insert can be used to cut threads with any pitch and common thread angle (i.e. 55°). It has a small root-corner radius suited to the smallest pitch.

An additional operation is needed to complete the external/internal diameter. The main advantage is cost-reduction as it eliminates the need for a different insert, however, it is not recommended for mass production.

 
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