S-94630A213 8.9 mm ID x 21 mm OD DIN 7349 Oversized Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - The 21mm outer diameter provides a wider bearing surface, reducing surface pressure and preventing damage to assembled components.
• Precise M8 Compatibility - 8.9mm inner diameter ensures perfect fit with M8 screws, minimizing play and maintaining alignment in metric assemblies.
• Durable Steel Construction - Manufactured from robust steel for reliable performance and resistance to deformation under mechanical stress.
• Standardized Dimensions - Complies with DIN 7349 specifications, guaranteeing interchangeability and consistent performance across industrial applications.
• Versatile Thickness Range - 1.5-2.3mm thickness accommodates various spacing and tension requirements in different assembly configurations.
• Environmental Compliance - Meets RoHS 3 and REACH regulations, ensuring safe usage in regulated industries and international markets.
• Corrosion Resistance - Steel material provides inherent protection against environmental factors, extending service life in demanding conditions.

Professional Applications & Engineering Value

These M8 metric flat washers deliver critical engineering value by solving common fastening challenges in industrial equipment and machinery. The steel construction combined with DIN 7349 compliance ensures consistent performance where vibration resistance and load distribution are paramount. The precisely calibrated 8.9mm ID prevents screw migration while the 21mm OD effectively disperses clamping force, protecting sensitive surfaces in automotive assemblies, electrical enclosures, and structural frameworks. This flat washer design addresses the critical need for reliable spacing and surface protection in high-vibration environments, making it indispensable for maintenance teams and OEM manufacturers requiring metric hardware that performs under continuous operational stress.

Specification Summary & Compliance

This flat washer features precise dimensional tolerances per DIN 7349 standards with 8.9mm inner diameter, 21mm outer diameter, and 1.5-2.3mm thickness range. Manufactured from steel for mechanical reliability, the product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.