| 摘要 |
<p>A tool for surface working stone materials, such as granite, marble and the like, wherein a body (1) of substantially cylindrical shape adapted to be mounted on the spindle of a milling machine is provided, the body being equipped with a cutting insert (3), characterised in that said cutting insert (3) is obtained by means of an element (5) of polycrystalline diamond (PCD) sandwiched between two hard metal layers (7).</p> |
