S-91100A311 6.6 mm ID x 22 mm OD DIN 440-R Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion protection through zinc plating extends service life in demanding environments
• Precise dimensional compatibility with 6.6mm ID and 22mm OD ensures perfect fit for M6 screw applications
• Consistent load distribution with 1.7-2.3mm thickness range prevents surface damage and loosening
• DIN 440-R standard compliance guarantees interchangeability and reliable performance in industrial assemblies
• Environmental regulation compliance with RoHS 3 and REACH meets global manufacturing requirements
• Durable steel construction provides reliable mechanical strength for heavy-duty applications
• Metric system compatibility ensures seamless integration with international engineering specifications

Professional Applications & Engineering Value

These M6 metric flat washers deliver critical engineering solutions where corrosion resistance and dimensional precision are paramount. The zinc-plated steel construction creates a protective barrier against moisture and chemical exposure, significantly reducing failure risks in automotive, machinery, and outdoor equipment applications. Manufactured to DIN 440-R specifications, these washers maintain consistent 1.7-2.3mm thickness to prevent joint relaxation and distribute clamping forces evenly across mating surfaces. The precise 6.6mm inner diameter and 22mm outer diameter ensure optimal load-bearing surface area while preventing screw head penetration in soft materials. This combination of material durability and standardized dimensions makes them ideal for assembly lines requiring repeatable, reliable performance across multiple production cycles.

Specification Summary & Compliance

This flat washer features metric dimensions with 6.6mm inner diameter, 22mm outer diameter, and 1.7-2.3mm thickness range, specifically designed for M6 screw applications. Manufactured according to DIN 440-R standards for dimensional accuracy and performance consistency. The product maintains full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, ensuring environmental responsibility and global market acceptance.