S-90412A110 3.2 mm ID x 6 mm OD DIN 6797 External-Tooth Lock Washers
External-Tooth Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance with external teeth that bite into mating surfaces, preventing loosening under dynamic loads.
- Exceptional corrosion resistance from 316 Stainless Steel, ideal for harsh or marine environments.
- Precise dimensional fit for M3 screws with 3.2 mm ID and 6 mm OD, ensuring easy installation and uniform pressure distribution.
- Reliable compliance with DIN 6797 standards, guaranteeing consistent quality and performance in industrial applications.
- Enhanced safety and longevity with RoHS 3 and REACH compliance, free from hazardous substances.
- Optimized for metric systems, facilitating seamless integration into global manufacturing and machinery designs.
- Durable thin profile (0.3-0.5 mm thickness) that maintains strength without adding bulk to assemblies.
Professional Applications & Engineering Value
This M3 external tooth lock washer is engineered to solve critical fastening challenges in high-vibration and corrosive settings. Made from 316 Stainless Steel, it resists pitting and oxidation in chemical processing, marine, and outdoor equipment. The external tooth design provides a firm grip on surfaces, distributing load evenly and maintaining clamp force where traditional washers fail. It's ideal for securing M3 screws in motors, pumps, and assembly lines, reducing maintenance downtime and ensuring operational safety. By meeting DIN 6797 specifications, it delivers predictable performance, making it a trusted choice for engineers prioritizing reliability in metric fastener systems.
Specification Summary & Compliance
This washer features precise dimensions: 3.2 mm internal diameter, 6 mm outer diameter, and 0.3-0.5 mm thickness, tailored for M3 screw sizes. It conforms to DIN 6797 for dimensional accuracy and tooth configuration. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from restricted substances and safe for industrial use.
