S-98687A202 5.3 mm ID x 10 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Corrosion-resistant blue dyed steel provides enhanced durability and visual part identification in industrial environments.
• Precision-engineered 5.3mm ID and 10mm OD ensures a secure, snug fit on M5 screws, preventing loosening under vibration.
• Rockwell B76 hardness rating guarantees excellent load distribution and long-term structural integrity.
• Compliance with DIN 125 and ISO 7089 standards assures consistent quality, dimensional accuracy, and global interchangeability.
• 0.9-1.1mm controlled thickness offers reliable spacing and surface pressure for stable assemblies.
• RoHS 3 and REACH compliance confirms the use of safe, environmentally responsible materials for regulated industries.

Professional Applications & Engineering Value

These M5 metric flat washers are precision components designed to solve critical assembly challenges. The blue dyed steel construction not only offers a layer of corrosion resistance for longevity in harsh conditions but also aids in part sorting and inventory management. Manufactured to DIN 125 and ISO 7089 specifications, they provide a consistently accurate fit on M5 screw sizes, effectively distributing clamp load and preventing surface damage to assembled materials. This makes them indispensable in industrial applications such as machinery, automotive sub-assemblies, and electrical enclosures, where vibration resistance and fastener reliability are paramount. Their standardized dimensions ensure seamless integration into existing metric-based designs, reducing the risk of assembly errors and improving overall production efficiency.

Specification Summary & Compliance

This flat washer features an Inside Diameter (ID) of 5.3mm, Outside Diameter (OD) of 10mm, and a Thickness of 0.9-1.1mm, engineered for use with M5 screw sizes. It conforms to DIN 125 and ISO 7089 standards, ensuring precise dimensional tolerances and performance reliability. The washer is manufactured from blue dyed steel with a hardness of Rockwell B76 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated markets.