S-95060A520 2.8 mm ID x 5.5 mm OD DIN 6797 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with external teeth that bite into mating surfaces, preventing loosening under dynamic loads
• Excellent corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise M2.5 screw compatibility with 2.8mm ID ensuring secure fit and reliable fastening performance
• DIN 6797 compliance guarantees dimensional accuracy and consistent quality for metric assembly applications
• Environmental regulation compliance with RoHS 3 and REACH standards for global manufacturing acceptance
• Optimized load distribution through 5.5mm OD design that minimizes surface damage while maintaining clamping force
• Durable thin-profile design (0.3-0.5mm thickness) providing effective locking in confined spaces without bulk

Professional Applications & Engineering Value

These M2.5 metric external tooth lock washers deliver critical vibration resistance in precision assemblies where fastener security is paramount. The 18-8 stainless steel construction provides exceptional corrosion resistance for demanding environments including marine, chemical processing, and outdoor equipment. The external tooth configuration according to DIN 6797 ensures maximum biting action into both the fastener and workpiece, creating a mechanical lock that withstands intense vibration and thermal cycling. This design solves common loosening problems in electrical enclosures, automotive components, and precision machinery where M2.5 fasteners are typically employed. The combination of material integrity and precise engineering makes these washers essential for maintaining assembly integrity in critical applications.

Specification Summary & Compliance

Manufactured to DIN 6797 standards with precise dimensions: 2.8mm internal diameter, 5.5mm outer diameter, and 0.3-0.5mm thickness. The external tooth location provides optimal locking performance for M2.5 screw applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global manufacturing acceptance. The 18-8 stainless steel material offers consistent mechanical properties and corrosion resistance suitable for industrial applications requiring reliable, long-term fastening solutions.