Center Drill
JP1808343SActive Publication Date: 2025-09-11SUMITOMO ELECTRIC HARDMETAL CORP +1
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Patent Information
- Application Number
- JP2025005288D
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-09-11
- Estimated Expiration
- 2050-03-17
Smart Images

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Abstract
The article to which this design relates is a center drill, as shown in the reference drawing showing the state of use, which is attached to a drill head fixed to a drill holder and used to determine the center of a hole to be drilled in a workpiece. The article to which this design relates has a main body for determining the center of the hole and drilling it, and an attachment part for attaching to the drill head.
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