| 摘要 |
The present invention refers to an improved grinding wheel, comprising an abrasive and/or cutting disk-shaped member that can be associated substantially coaxially with the free end of the rotating shaft of a grinding machine and equipped with at least one substantially central through-hole, with a first face that can be placed, in its assembling configuration, substantially oriented towards the machine and in contact with a machine bearing flange, and with a second face opposite to the first face, that comprises at least one threaded ring nut for attaching to the free end of the rotating shaft that is associated integral and unmovable with the substantially central portion of the second face.
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