S-95060A530 3.9 mm ID x 7 mm OD DIN 6797 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through external teeth that bite into mating surfaces, preventing fastener loosening under dynamic loads
• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Precise dimensional compatibility with M3.5 fasteners (3.9mm ID) ensuring perfect fit and optimal locking performance
• Reliable compliance with DIN 6797 standards guaranteeing consistent quality, dimensional accuracy, and mechanical performance
• Environmental regulation compliance meeting RoHS 3 and REACH requirements for safe use across regulated industries
• Optimized thickness range (0.4-0.6mm) providing sufficient spring action while maintaining space efficiency in compact assemblies
• External tooth configuration offering maximum surface contact for enhanced grip without damaging softer materials

Professional Applications & Engineering Value

These M3.5 external tooth lock washers deliver critical vibration resistance in demanding applications where fastener security is paramount. Manufactured from 18-8 stainless steel, they provide excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor conditions. The external tooth location design ensures maximum biting action into both the fastener and mating surface, creating a mechanical lock that withstands intense vibration in automotive assemblies, industrial equipment, and electronic enclosures. Engineered to DIN 6797 specifications, these washers maintain precise dimensional tolerances for reliable performance in metric fastener systems, preventing costly downtime and maintenance in critical connections where safety and reliability cannot be compromised.

Specification Summary & Compliance

This external tooth lock washer features precise dimensions of 3.9mm internal diameter, 7mm outer diameter, and 0.4-0.6mm thickness range, engineered specifically for M3.5 fasteners. Manufactured in compliance with DIN 6797 standards for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring environmental safety and regulatory acceptance across industrial markets.