S-91100A323 8.5 mm ID x 23.7 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution with 23.7mm outer diameter to prevent surface damage and maintain joint integrity under high loads
• Superior Corrosion Resistance through zinc-plated steel construction for extended service life in demanding environments
• Precise M8 Fastener Compatibility with 8.5mm inner diameter ensuring perfect fit and alignment with Class 10.9 bolts
• Reliable Performance Standardization meeting DIN 9021 specifications for consistent quality and interchangeability
• Optimal Thickness Control between 1.8-2.2mm providing balanced spacing and vibration resistance
• Environmental Compliance Assurance with RoHS 3 and REACH compliance for safe, sustainable industrial applications
• High-Strength Fastener Support specifically engineered for Class 10.9 fastener systems in critical assemblies

Professional Applications & Engineering Value

This M8 flat washer delivers exceptional engineering value through its zinc-plated steel construction and DIN 9021 standardization. The combination of precise dimensional control (8.5mm ID, 23.7mm OD) and Class 10.9 fastener compatibility addresses common industrial challenges including bolt loosening, surface marring, and uneven load distribution. The zinc plating provides essential corrosion protection for machinery, automotive, and structural applications exposed to harsh conditions. Engineers specify these metric washers for their reliable performance in heavy-duty assemblies where vibration resistance and long-term joint integrity are critical. The consistent 1.8-2.2mm thickness ensures proper fastener spacing while maintaining the structural advantages of high-grade steel construction.

Specification Summary & Compliance

This flat washer conforms to DIN 9021 standards with precise dimensional specifications: 8.5mm inner diameter, 23.7mm outer diameter, and 1.8-2.2mm thickness range. Manufactured from zinc-plated steel specifically for M8 Class 10.9 fasteners, the product maintains strict compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across industrial applications while meeting international quality standards for mechanical fastening components.