S-93925A220 2.7 mm ID x 5.5 mm OD DIN 6797 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with internal 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 dimensional compatibility with 2.7mm ID and 5.5mm OD ensuring perfect fit for M2.5 fasteners
• Reliable locking performance compliant with DIN 6797 standards for consistent quality and engineering predictability
• Environmentally compliant manufacturing meeting RoHS 3 and REACH regulations for global supply chain integration
• Optimized thickness range (0.2-0.5mm) providing flexibility while maintaining structural integrity
• Internal tooth design offering concentrated locking force without damaging visible surfaces

Professional Applications & Engineering Value

These M2.5 metric tooth lock washers deliver critical vibration resistance in demanding applications where fastener security is paramount. The 18-8 stainless steel construction provides exceptional corrosion resistance, making them ideal for automotive assemblies, electronic enclosures, and machinery subjected to moisture or chemical exposure. The internal tooth location ensures maximum biting action while minimizing surface marring, particularly valuable in precision instruments and aerospace components. Engineered to DIN 6797 specifications, these washers maintain consistent performance in high-cycle applications, reducing maintenance frequency and preventing costly downtime from fastener failure. The combination of metric sizing and compliant surface engagement makes them particularly suitable for European equipment manufacturers and global OEMs requiring reliable locking solutions.

Specification Summary & Compliance

Manufactured to DIN 6797 standards with precise dimensional tolerances, featuring 2.7mm internal diameter and 5.5mm outer diameter. Constructed from 18-8 stainless steel with thickness ranging 0.2-0.5mm. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance. Designed specifically for M2.5 screw sizes with internal tooth configuration for optimal locking performance.