S-97093A151 20.2 mm ID x 33.6 mm OD DIN 128A Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through curved split design that maintains constant spring tension under dynamic loads
• Exceptional corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh environments
• Precise dimensional compatibility with M20 fasteners (20.2mm ID) ensuring perfect fit and optimal performance
• Standardized quality assurance through DIN 128A compliance, guaranteeing consistent manufacturing and performance
• Enhanced safety and reliability with 33.6mm OD providing maximum bearing surface for secure fastening
• Environmental compliance meeting RoHS 3 and REACH standards for sustainable industrial applications
• Optimal spring action from 3.0mm thickness and curved profile that prevents loosening under vibration

Professional Applications & Engineering Value

This M20 DIN 128A split lock washer delivers critical vibration-resistant performance in demanding industrial applications where fastener security is paramount. The curved design and 18-8 stainless steel construction work synergistically to prevent loosening in high-vibration environments such as machinery, automotive assemblies, and industrial equipment. The metric dimensions (20.2mm ID × 33.6mm OD) ensure precise compatibility with M20 fasteners while the corrosion-resistant properties of stainless steel maintain integrity in humid or chemically aggressive environments. This split lock washer effectively addresses common engineering challenges of fastener loosening, reducing maintenance requirements and enhancing operational safety across multiple industrial sectors including manufacturing, transportation, and heavy equipment applications.

Specification Summary & Compliance

Manufactured to DIN 128A standards with precise metric dimensions: 20.2mm internal diameter, 33.6mm outer diameter, and 3.0mm thickness. The curved split lock washer design provides optimal spring tension for vibration resistance. This fastener is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (including 233 SVHCs as of 01/17/2023), ensuring environmental responsibility and regulatory adherence for industrial applications worldwide.