indexable insert grinding machines at the foundation of the metal-cutting industry. from conventional grinding of tungsten carbide tools, agathon has worked itself up to be one of the leading manufacturers of special grin......indexable insert grinding machines at the foundation of the metal-cutting industry. from conventional grinding of tungsten carbide tools, agathon has worked itself up to be one of the leading manufacturers of special grinding machines for complete machining of indexable inserts in widely varied materials such as tungsten carbide, cermets, cbn, and pcd.this program comprises fully automatic, high performance grinding machines for the complex manufacturing of all types of indexable inserts, to combine high operating autonomy and efficiency in the mass production of workpieces.