A self-tapping locking screw sleeve

By employing an internal twelve-tooth drive design, applying anti-loosening adhesive to the threads, and using an anti-slip strip structure on the end face of the threaded sleeve, the shortcomings of self-tapping locking threaded sleeves in terms of drive reliability and anti-loosening performance are resolved, achieving stable connection and long-term reliability in high-torque scenarios.

CN224283162UActive Publication Date: 2026-05-26WAGU TECH (SHANGHAI) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WAGU TECH (SHANGHAI) CO LTD
Filing Date
2025-06-04
Publication Date
2026-05-26

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Abstract

This utility model discloses a self-tapping locking screw insert, including a screw insert body and a clamping body. The screw insert body is cylindrical, with external threads on the outside for screwing into an aluminum profile and internal threads on the inside for screwing into a bolt. The clamping body is annular, with several driving teeth distributed on the inner wall of the annular body, making the engagement between the screwdriver bit and the screw insert tighter and greatly reducing the probability of the screwdriver bit slipping. The upper end face of the clamping body is provided with an anti-slip strip, which increases the friction between the end face of the screw insert and the workpiece, thereby providing more sufficient axial preload to adapt to assembly scenarios with large installation torque requirements.
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