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304 Stainless Steel External Tooth Lock Washers DIN6797A Standard Metric Self Lock Washer M3-M30

Tooth lock washers, or serrated washers, prevent nut and bolt loosening due to vibrations. Their serrated teeth grip surfaces, resisting rotation and ensuring secure fastening. They offer versatility, fitting various fasteners, and come in different materials and sizes. These washers are cost-effective, easy to install, and reusable after inspection. However, they might not always be necessary, with alternatives like thread-locking adhesives or prevailing torque nuts available. Overall, tooth lock washers provide added security and reliability in mechanical assemblies, particularly in environments prone to vibration or shock.

    Key attributes


    External Tooth


    Stainless steel


    Heavy Industry, Retail Industry, General Industry, Automotive Industry



    Product name

    External Tooth Lock Washers


    Customized Degin

    Supply Ability

    100000 Piece/Pieces per Week

    Company service

    Quality After-Sales Service: We promise to address any minor issues to ensure your satisfaction promptly.

    Rich Export Experience: With years of experience, we understand international market demands and can provide products that meet various country standards.

    Customized Specification Lists: Based on your requirements, we offer customized product specifications to ensure they fully meet your needs.

    Customized Packaging Service: Prior to shipment, we provide customized packaging with photos to ensure the safe arrival of products.


    Q: How long is your delivery time?
    A: Generally it is 5-10 days if the goods are in stock, or it is 15-25 days if the goods need to be produced, it is according to the quantity you want.

    Q: Do the products comply with international standards or specific certifications?
    A:  Our products are ISO 9001 certified

    Q Can you handle large-volume orders?
    A: Taking large - volume orders has always been our strength

    Q: What is your terms of payment?
    A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

    Product information

    We are introducing our Tooth Lock Washers - the ultimate solution for preventing nuts and bolts from loosening due to vibration. Our serrated washers are designed to provide maximum security and reliability to mechanical components, especially in environments prone to vibration or shock.

    With their serrated teeth, our tooth lock washers grip the surface and resist rotation, ensuring secure fastening. They are versatile and fit a variety of fasteners, making them a practical choice for a wide range of applications. Available in different materials and sizes, our tooth lock washers offer flexibility to suit your needs.

    Not only are our tooth lock washers cost-effective, but they are also easy to install and reusable after inspection, making them a sustainable choice for your projects. They provide an added layer of security, giving you peace of mind that your fasteners will remain tightly in place.

    While tooth lock washers may not always be necessary, they offer an extra level of protection that can be crucial in critical applications. In instances where additional security is required, tooth lock washers are the ideal choice.

    It's important to note that there are alternatives to tooth lock washers, such as thread locking adhesive or universal torque nuts. However, tooth lock washers provide a simple and effective solution without additional adhesives or specialized fasteners.

    In conclusion, our tooth lock washers are the go-to solution for ensuring that your nuts and bolts remain securely fastened, even in the most demanding environments. Trust in the reliability and effectiveness of our tooth lock washers to keep your mechanical components safe and secure.

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