S-97093A179 12.7 mm ID x 21.1 mm OD DIN 128B Split Lock Washers

Key Features & Benefits at a Glance

• Exceptional vibration resistance through the wave split design, preventing fastener loosening in high-stress environments
• Superior corrosion protection with 18-8 stainless steel construction, ideal for harsh industrial conditions
• Precision dimensional accuracy with 12.7mm ID and 21.1mm OD ensuring perfect fit for M12 screw applications
• Reliable locking performance maintained through DIN 128B standard compliance for consistent quality
• Durable 1.9mm thickness providing optimal spring tension while maintaining structural integrity
• Environmental compliance assurance with RoHS 3 and REACH certification for global supply chain compatibility
• Versatile industrial application across machinery, equipment assembly, and automotive sectors requiring secure fastening

Professional Applications & Engineering Value

Engineered to solve critical vibration-induced loosening challenges in industrial settings, this M12 wave split lock washer delivers exceptional engineering value through its 18-8 stainless steel composition and DIN 128B compliant wave design. The unique wave configuration creates continuous spring tension that compensates for thermal expansion and mechanical stress, maintaining clamp load integrity in dynamic applications. This metric lock washer provides reliable performance in automotive assemblies, heavy machinery, and processing equipment where vibration resistance is paramount. The corrosion-resistant properties of 18-8 stainless steel ensure long-term reliability in challenging environments, while the precise 12.7mm internal diameter guarantees perfect alignment with M12 fasteners for efficient installation and consistent locking performance across production cycles.

Specification Summary & Compliance

This wave split lock washer features precise dimensional specifications including 12.7mm internal diameter, 21.1mm outer diameter, and 1.9mm thickness with 3.6mm overall height, engineered specifically for M12 screw applications. Manufactured in compliance with DIN 128B standards for dimensional accuracy and performance requirements. The product maintains full compliance with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, ensuring environmental responsibility and global market acceptance for industrial fastener applications requiring certified components.