Grinding tool bit - Hilti Aktiengesellschaft
3. Grinding tool bit, as set forth in claim 1 or 2, wherein said base member (1, 11, 21, 31) has spaced areas (7, 17, 37) free of cutting elements in at least said radially outer region (8, 18, 38) having the decreasing thickness. 4. Grinding tool bit, as set forth in claim 3, wherein said cutting elements (4, 14, 24) are formed by one diamond ...