S-90483A156 10.5 mm ID x 20 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance through zinc yellow-chromate plating for extended service life in harsh environments
• Exceptional load distribution with precision 20mm outer diameter protecting M10 fastener assemblies from surface damage
• Optimized dimensional stability featuring 10.5mm inner diameter ensuring perfect fit and alignment with M10 screws
• Enhanced mechanical strength with Rockwell C38 hardness providing reliable performance under high-stress conditions
• Guaranteed interchangeability through compliance with both DIN 125 and ISO 7089 international standards
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe industrial usage
• Consistent thickness control between 1.8-2.2mm ensuring uniform pressure distribution across mating surfaces

Professional Applications & Engineering Value

These M10 flat washers deliver critical engineering solutions where corrosion resistance and dimensional precision are paramount. The zinc yellow-chromate plated steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for industrial applications in manufacturing equipment, automotive assemblies, and outdoor machinery. The precisely controlled 10.5mm ID ensures secure seating on M10 fasteners while the 20mm OD effectively distributes clamping forces, preventing surface indentation and joint loosening. Engineered to DIN 125 and ISO 7089 specifications, these washers eliminate compatibility issues in global supply chains, offering reliable performance in vibration-prone environments where fastener integrity is critical to operational safety.

Specification Summary & Compliance

This metric flat washer features precise dimensional tolerances per DIN 125 and ISO 7089 standards with 10.5mm inner diameter, 20mm outer diameter, and controlled thickness range of 1.8-2.2mm. Manufactured from steel with Rockwell C38 hardness and zinc yellow-chromate plating surface treatment. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe usage across various industrial sectors.