| 摘要 |
A grinding disc (6) including an inner and outer periphery and a plurality of tabs (8) projecting from the grinding disc (6) adjacent to the inner periphery for engagement with a backing disc assembly. Also provided is backing disc assembly including a backing disc (10) and a clamping means (2) for engagement with tabs (8) of a grinding disc (6) wherein the tabs (8) are located in use between engagement portions of the backing disc (10) and clamping means (2) in use. |
