Fastening surface of drill bit holder

Abstract

1. Name of the designed product: fastening surface of drill holder 2. Use of the designed product: the designed product is used for a drill holder for machining, and particularly for fixing a drill tip for mounting a center drill and the like, and a partial fastening surface of the drill holder is claimed as a partial design. 3. Design points of the designed product: in shape 4. Picture or photograph best indicating the design points: Fig. 1 5. Changes in the state of the matter to be explained: in the reference drawing, the part other than the part colored in gray is claimed as a partial design. 6. Other matters to be explained: the part indicated in solid line, excluding the part indicated in dotted line, is claimed as a partial design.

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