Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 22, 2008
Patent Application Number
10558962
Date Filed
November 12, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a multi-purpose drilling tool with a boring head, a drill twist connected thereto and a downstream clamping shank, a cutting element (1) being provided on the working side of the boring head. The cutting element (1) has a face (9, 24) with a rake angle (γ) having a value of γ≧0° b, the cutting element (1) having a flank (10, 13) with a lip clearance angle (α) having a value of 5°≦α≦15° and, in particular, α≈10°.
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