S-93849A110 21 mm ID x 35 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Optimal load distribution with precise 21mm ID and 35mm OD dimensions to prevent surface damage and fastener loosening
• Enhanced durability with Rockwell B83 hardness rating to withstand repeated stress and maintain structural integrity
• Reliable dimensional stability with controlled 3.0-3.9mm thickness range ensuring consistent performance under compression
• Global compliance assurance with RoHS 3 and REACH certifications for safe use in regulated industries worldwide
• Perfect M20 screw compatibility with metric sizing for seamless integration into existing industrial assemblies
• Reduced maintenance costs through stainless steel's inherent resistance to rust and chemical degradation

Professional Applications & Engineering Value

This M20 flat washer delivers critical engineering solutions where corrosion resistance and load distribution are paramount. Manufactured from 18-8 stainless steel, it effectively prevents galvanic corrosion in marine, chemical processing, and food industry applications while maintaining structural integrity under constant vibration. The metric flat washer design with precise 21mm internal diameter ensures perfect alignment with M20 screw washers, eliminating play and reducing stress concentration points. With its 3.0-3.9mm thickness and Rockwell B83 hardness, this industrial washer provides consistent performance in heavy-duty assemblies, from machinery bases to structural steel connections, where fastener failure is not an option.

Specification Summary & Compliance

This metric flat washer features precision dimensions with 21mm ID, 35mm OD, and 3.0-3.9mm thickness range for consistent performance. Manufactured from 18-8 stainless steel with Rockwell B83 hardness rating, it meets standard metric sizing requirements for M20 fasteners. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.