S-97099A102 3.2 mm ID x 6 mm OD DIN 137A Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through curved spring design that maintains constant tension under dynamic loads
• Exceptional corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Precise M3 screw compatibility with 3.2mm internal diameter ensuring perfect fit and consistent locking performance
• Optimized load distribution with 6mm outer diameter providing stable bearing surface for M3 fasteners
• Reliable industrial compliance meeting DIN 137A specifications for consistent quality and performance standards
• Environmentally responsible manufacturing with full RoHS 3 and REACH compliance for global regulatory acceptance
• Space-efficient design with 1.3mm overall height and 0.4mm thickness for applications with limited clearance

Professional Applications & Engineering Value

These M3 metric spring lock washers deliver critical vibration resistance in demanding industrial applications where loosening under dynamic loads poses significant safety and performance risks. The curved spring washer design creates continuous axial pressure that compensates for settlement and thermal expansion, maintaining bolt preload in vibrating machinery, automotive assemblies, and electrical enclosures. Manufactured from 18-8 stainless steel, these washers provide excellent corrosion resistance for outdoor equipment, marine applications, and chemical processing environments. The DIN 137A compliance ensures dimensional accuracy and consistent spring characteristics, making them ideal for precision engineering applications requiring reliable locking performance without the need for additional locking compounds or devices.

Specification Summary & Compliance

This spring lock washer features precise metric dimensions with 3.2mm internal diameter, 6mm outer diameter, 0.4mm thickness, and 1.3mm overall height, specifically engineered for M3 screw applications. Manufactured in compliance with DIN 137A specifications for curved spring washers, ensuring consistent performance and dimensional accuracy. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations (updated 01/17/2023, 233 SVHC), confirming environmental responsibility and regulatory acceptance for international industrial markets.