Internal Tooth Lock Washer – Stainless Steel, High Durability, Vibration Resistance, Certified

• Customization: Available
• Type: Lock Washer
• Material: Stainless Steel
• Model NO.: 7318160000
• Combination Washer Structure: A Type
• Combination Washer Packaging: All Inclusive
• Spring Washer Type: Standard
• Transport Package: Bags and Boxes
• Specification: not confirm
• Origin: Made in China
• HS Code: 7318160000
• Production Capacity: 1000ton

Product Description

Product Description

An internal tooth lock washer is a crucial fastener component used in various mechanical applications. Its primary function is to prevent loosening and ensure a secure fit for bolts, screws, and nuts. This lock washer is particularly designed to improve the stability of the fastened joint, even when exposed to vibrations or other external forces.

Key Characteristics:

1. Construction: Internal tooth lock washers are typically made from high-strength materials such as stainless steel, carbon steel, or alloy steel. These materials are known for their excellent corrosion resistance and durability, making them suitable for harsh environments and heavy-duty applications. The washer features a ring with multiple internal teeth, which protrude inward. These teeth dig into the surface of the bolt or nut, as well as the surface of the connected material, creating friction and increasing resistance to loosening.

2. Design: The washer's design is optimized for maximum holding power. The internal teeth grip the fastener and provide extra tension, helping to maintain the clamping force over time. When installed between a nut or bolt and the surface it is fastened to, it helps distribute the load evenly, reducing the risk of deformation or failure.

3. Size and Dimensions: Internal tooth lock washers are available in a wide range of sizes, typically corresponding to the standard screw and bolt sizes. These washers can be customized for specific applications and are offered in both metric and imperial measurements to meet various international standards.

4. Corrosion Resistance: High-quality internal tooth lock washers are often made from stainless steel, which provides exceptional resistance to corrosion. This makes them ideal for use in outdoor, marine, or other environments where moisture or harsh chemicals may be present. Additionally, washers made from galvanized steel or zinc-plated steel offer good protection against rust.

5. Vibration Resistance: One of the main advantages of internal tooth lock washers is their ability to prevent loosening caused by vibrations. In mechanical systems or equipment where vibrations are common, such as in automotive, railway, or industrial machinery, these washers provide a reliable solution to keep joints intact and secure. The teeth on the washer bite into the surface of the fastener and the substrate, ensuring that the connection remains tight.

6. Applications: These washers are commonly used in various industrial applications, such as:

   • Automotive: Securing parts like suspension components, engines, and exhaust systems.
   • Machinery: Ensuring that bolts and nuts on heavy equipment remain secure under operation.
   • Electronics: Protecting sensitive components from loose fasteners that could affect performance.
   • Aerospace: Providing extra security in high-pressure and high-vibration environments.
   • Marine: Preventing loosening of fasteners in boats and ships exposed to saltwater and constant motion.

7. Installation: The installation of internal tooth lock washers is straightforward. They are placed between the fastener and the surface to be fastened, with the teeth facing the fastener. As the fastener is tightened, the teeth on the washer press against both the fastener and the material surface, providing a secure grip. It is important to ensure that the correct washer size is selected to match the fastener being used.

8. Benefits:

   • Improved Safety: By reducing the risk of fasteners loosening, these washers contribute to the safety and longevity of mechanical systems.
   • Cost-Effective: Lock washers are a low-cost solution to an often expensive problem-preventing equipment failure due to loosening fasteners.
   • Versatility: These washers are suitable for a wide range of applications, from everyday household use to industrial and commercial machinery.
   • Increased Reliability: Internal tooth lock washers provide long-lasting performance by keeping fasteners securely in place, which enhances the reliability of machinery and equipment.

9. Certifications and Standards:

   • ISO Certification: Many internal tooth lock washers are manufactured in accordance with international standards like ISO 9001, ensuring quality and consistency.
   • RoHS Compliance: Some washers are RoHS-compliant, meaning they do not contain harmful levels of hazardous materials such as lead, cadmium, and mercury.
   • ASTM Standards: Some internal tooth washers conform to ASTM (American Society for Testing and Materials) standards, which dictate performance specifications for metal fasteners and washers.

10. Customization Options: Manufacturers can offer custom dimensions and finishes for internal tooth lock washers. Customization may include specific material choices, coating options for added corrosion resistance, or unique size requirements. This flexibility makes them suitable for a wide variety of applications, ensuring that customers can find a solution that perfectly fits their needs.

11. Maintenance and Inspection: While internal tooth lock washers are designed to be durable, periodic inspections are recommended to ensure their effectiveness. Over time, excessive vibrations or wear on the teeth may cause them to lose their locking power. If a washer is damaged or no longer functions effectively, it should be replaced with a new one to maintain the integrity of the fastened joint.

12. Environmental Considerations: Given the high demand for eco-friendly products, many manufacturers are now producing internal tooth lock washers made from recyclable materials. Stainless steel washers, in particular, are fully recyclable, which helps reduce environmental impact when the washers are disposed of.

13. Conclusion: Internal tooth lock washers are essential components for creating secure and reliable connections in mechanical assemblies. Their innovative design, which includes inward-facing teeth, enhances their ability to withstand vibrations and prevent loosening, making them indispensable in applications ranging from automotive to industrial machinery. With their durability, versatility, and ease of installation, internal tooth lock washers provide a simple yet effective solution to a common problem, ensuring the safety and longevity of equipment across various industries.

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