S-95060A440 19 mm ID x 30 mm OD DIN 6797 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through external tooth design that bites into mating surfaces, preventing fastener loosening under dynamic loads
• Excellent corrosion resistance provided by 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
• Precise M18 compatibility with 19mm internal diameter for perfect fit and optimal locking performance
• Enhanced load distribution with 30mm outer diameter, reducing surface pressure and material stress
• Reliable industrial performance backed by DIN 6797 standard compliance for consistent quality and engineering precision
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe, sustainable industrial applications
• Optimized thickness range (1.2-1.6mm) providing ideal balance between flexibility and locking force

Professional Applications & Engineering Value

This M18 external tooth lock washer delivers critical vibration-resistant performance in demanding industrial applications where fastener security is paramount. Engineered from 18-8 stainless steel, it provides exceptional corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. The external tooth configuration creates multiple biting points that dig into both the fastener head and mounting surface, creating mechanical interference that prevents rotational loosening under continuous vibration. This DIN 6797 compliant design is particularly valuable in automotive assemblies, heavy equipment, and manufacturing systems where thermal cycling and operational vibrations constantly challenge fastener integrity. The metric dimensions (19mm ID × 30mm OD) ensure precise fit with M18 fasteners while the tooth geometry maximizes surface contact for superior locking action without damaging softer materials.

Specification Summary & Compliance

This external tooth lock washer features precise metric dimensions with 19mm internal diameter, 30mm outer diameter, and 1.2-1.6mm thickness range. Manufactured to DIN 6797 specifications for dimensional accuracy and performance reliability. The component is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (updated 06/14/2023, 235 SVHC), meeting current environmental regulations for industrial applications worldwide. The external tooth location provides optimal locking action while maintaining compatibility with standard M18 fastener systems.