S-91100A358 22.2 mm ID x 58.4 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced load distribution with 58.4mm outer diameter to prevent surface damage and fastener loosening under high stress
• Superior corrosion resistance through zinc-plated steel construction for extended service life in harsh environments
• Precision compatibility with M20 Class 8.8 fasteners ensuring optimal performance in demanding applications
• Reliable dimensional accuracy manufactured to DIN 9021 standards for consistent fit and function
• Environmental compliance meeting RoHS 3 and REACH regulations for safe industrial use
• Optimized thickness range (3.4-4.6mm) providing ideal balance between strength and flexibility
• Reduced maintenance requirements through durable steel construction and protective zinc plating

Professional Applications & Engineering Value

This M20 flat washer delivers critical engineering solutions where load distribution and corrosion resistance are paramount. The zinc-plated steel construction provides essential protection against environmental degradation while maintaining structural integrity under Class 8.8 fastener loads. Engineered to DIN 9021 specifications, these metric washers prevent joint failure in heavy machinery, structural steel connections, and industrial equipment by distributing clamping force evenly across surfaces. The precise 22.2mm inner diameter ensures perfect alignment with M20 fasteners, eliminating play and reducing stress concentration points that commonly lead to mechanical failure in demanding applications.

Specification Summary & Compliance

Manufactured to DIN 9021 dimensional standards with 22.2mm inner diameter, 58.4mm outer diameter, and 3.4-4.6mm thickness range. Specifically designed for use with M20 Class 8.8 fasteners. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe industrial application and environmental responsibility.