The broken groove of the drill bit twist shear screw

CN309643695SActive Publication Date: 2025-12-02DEBEN FASTENER CO LTD
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Patent Information

Application Number
CN202530171541.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2025-12-02
Estimated Expiration
2040-04-02

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Abstract

1. Name of the product in this design: Broken groove of drill bit twist shear screw. 2. Purpose of this design: The whole is a drill bit torsion shear screw, a hardware screw used for drilling, tapping, and tightening; the part is a break-off groove of the drill bit torsion shear screw, used to break off its end. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Other situations requiring explanation: Request protection for the portion not covered by the pink semi-transparent color block.
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