Big Kaiser's Mini Indexable Boring Bar Meets Medical, Aerospace Needs

The 4-mm Mini indexable boring bar from Big Kaiser is designed to be ideal for small-component machining.


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The 4-mm Mini indexable boring bar from Big Kaiser is designed to be ideal for small-component machining, meeting what the company sees as increasing demand in the medical and aerospace industries for boring of small medical implant devices and micro components.

The main advantage of this product, according to Big Kiaser, is the cost savings of replacing just the indexable insert in production versus replacing the entire bar (where the cutting edge is integral to it). The inserts can be exchanged without disturbing the overall geometry of the tool, maintaining consistent cutting results.

The indexable inserts feature sharp cutting edges that help lower cutting forces and vibration. Inserts with cutting geometry specially developed for carbon steel, alloyed steel and aluminum are also available.

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