cutting edge portion of a drill bit point

Abstract

1. The name of the design product: cutting edge part of drill tip. 2. The use of the design product: the whole of the design product is used for drill tip, which is a replaceable drill tip installed to a drill holder by a fixing member, for cutting a workpiece to perform a hole forming process in a state of being installed to the drill holder. The partial cutting edge part of drill tip as a partial design is used for cutting a workpiece and breaking off a cutting chip. 3. The design points of the design product: in shape. 4. The picture or photograph best indicating the design points: perspective view 1. 5. Other circumstances requiring explanation Other explanation: the part indicated by a solid line is the partial design claimed as a partial design, except for the part indicated by a dotted line.

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