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Key Locking Threaded Inserts from China Suppliers - High-Strength, Vibration-Resistant Inserts by Factory
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Key Locking Threaded Inserts from China Suppliers - High-Strength, Vibration-Resistant Inserts by Factory

Introducing our high-performance Key Locking Insert, manufactured by leading suppliers in China. This cylindrical threaded bushing is designed to deliver permanent, reusable, and vibration-resistant threads, making it the ideal solution for soft or damaged parent materials. Once inserted into a pre-tapped hole, our Key Locking Insert features two to four hardened keys that securely lock the insert against both rotation and axial movement. This innovative mechanical anchoring system outperforms traditional threaded inserts and tapped threads, ensuring superior pull-out and torque-out performance. Trust our factory to provide you with the most reliable and effective Key Locking Inserts for your applications
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    Product Details

    All keys are manufactured from the same alloy as the body and heat-treated to ≥ 40 HRC to ensure reliable cold-swaging into the parent material.
    Standard Body

    Standard Body

    303 stainless steel for excellent machinability and corrosion resistance.

    decorative shape
    High-Corrosion Option

    High-Corrosion Option

    316/316L stainless steel for marine, chemical, and food-grade environments.

    decorative shape
    High-Temperature Variant

    High-Temperature Variant

    Inconel 718 or A286 for service up to 815 °C (1 500 °F).

    decorative shape
    Carbon-Steel Version

    Carbon-Steel Version

    4140 alloy steel, zinc-nickel plated for cost-sensitive automotive and tooling applications.

    decorative shape

    Frequently Asked Questions

    Q: What is the hardness of the locking keys?
    All keys are heat-treated to ≥ 40 HRC to ensure reliable and secure cold-swaging into the parent material.
    Q: What material is used for standard applications?
    The Standard Body variant uses 303 stainless steel, which offers an excellent balance of machinability and corrosion resistance.
    Q: Which variant is recommended for marine or chemical environments?
    The High-Corrosion Option made of 316/316L stainless steel is specifically designed for marine, chemical, and food-grade environments.
    Q: What is the maximum temperature limit for the High-Temperature Variant?
    The High-Temperature Variant, manufactured from Inconel 718 or A286, is rated for service temperatures up to 815 °C (1 500 °F).
    Q: Is there a cost-effective option for automotive tooling?
    Yes, the Carbon-Steel Version features 4140 alloy steel with zinc-nickel plating, tailored specifically for cost-sensitive automotive and tooling applications.