| 摘要 |
The invention relates to a drilling tool ( 1 ), in particular for working concrete, rock, masonry and suchlike materials, having a tool head with cutting body ( 5 ) which has at least one front rake face ( 9, 10 ), at least one rear flank ([lacuna] 18 ) and at least one front-end cutting edge ( 7, 8 ), the cutting edge ( 7, 8 ) separating the rake face ( 9, 10 ) and the flank ([lacuna] 18 ). In this case, the rake face ( 9, 10 ) is formed by at least two cutting faces ( 11, 13; 12 [lacuna]) merging into one another at at least one second cutting edge ( 15, 16 ).
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