The Internal Tooth Washer, 28mm in diameter with 12 precision teeth, represents a specialized fastening solution designed to solve the persistent problem of bolt and nut loosening ...

The Internal Tooth Washer, 28mm in diameter with 12 precision teeth, represents a specialized fastening solution designed to solve the persistent problem of bolt and nut loosening under vibration and dynamic loads. Manufactured from high-grade stainless steel, this component delivers exceptional corrosion resistance alongside mechanical strength, ensuring long-term reliability in harsh operating environments. Its unique design features internal teeth that dig into both the fastener head/nut and the bearing surface, creating a locking effect that resists rotational forces. The metal-coated finish provides an additional layer of protection against wear and environmental degradation, making this washer suitable for both indoor and outdoor applications where fastener security is non-negotiable.

This washer finds essential usage across a broad spectrum of industries where equipment reliability directly impacts safety and productivity. In manufacturing and factory settings, it secures critical components on CNC machines, presses, and assembly line equipment. The construction sector utilizes it in structural steel connections, scaffolding, and heavy machinery. Automotive and transportation industries apply it to engine components, chassis parts, and trailer assemblies. Furthermore, it serves vital roles in energy infrastructure, securing connections in wind turbines, generator sets, and pipeline supports, as well as in agricultural machinery where vibration from uneven terrain constantly tests fastener integrity.

For businesses, this internal tooth washer delivers tangible value by reducing maintenance frequency, minimizing unplanned downtime, and enhancing operational safety. Its reliability stems from predictable performance—each washer provides consistent locking torque and reusability in many applications. The stainless steel material ensures it won't corrode and seize, allowing for future disassembly if needed. This combination of security and serviceability makes it a cost-effective component that protects more valuable assets by ensuring critical connections remain tight. By specifying this washer, engineers and procurement managers invest in preventing costly failures, protecting warranty claims related to fastener loosening, and building a reputation for quality in their finished products or maintenance services.

Key Features:
- 28mm outer diameter with 12 internal locking teeth for maximum contact and grip.
- Constructed from corrosion-resistant stainless steel for durability in harsh environments.
- Metal-coated finish provides enhanced surface protection against wear and abrasion.
- Designed specifically to prevent loosening caused by vibration, shock, and dynamic loads.
- Standardized dimensions ensure compatibility with corresponding bolt and nut sizes for easy integration.

Benefits:
- Eliminates the need for additional locking devices like threadlockers or lock nuts, simplifying assembly.
- Reduces maintenance intervals and downtime by preventing fastener loosening in critical applications.
- Enhances safety by maintaining joint integrity in mechanical and structural systems.
- Offers excellent reusability compared to chemical adhesives, providing long-term cost savings.
- Suitable for a wide temperature range and various environmental conditions due to stainless steel construction.