US Patent 7186173 Tool particularly for milling operations

A tool, particularly for milling operations, capable of being driven in rotation about its own main axis. The tool has a core provided with a plurality of abrasive elements extending from the core radially to the axis and spaced apart from each other angularly. Between at least one pair of abrasive elements adjacent to each other is provided at least one respective gap in the form of a cut extending radially in the core to a predefined distance from the axis.