Insert TNMG 110304N-SK T12A, SUMITOMO

The T12A grade of Sumitomo turning inserts is an uncoated tungsten carbide grade designed for machining non-ferrous metals such as aluminum and copper. The absence of coating and its fine-grain structure provide high toughness and a sharp cutting edge, making it ideal for finishing applications on these materials.

The N-SK chipbreaker is a specific insert geometry used in Sumitomo tools. This geometry is designed for specific machining applications, offering improved chip control and extended tool life.