S-90483A151 3.2 mm ID x 7 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating to extend service life in harsh environments
• Precise dimensional accuracy with 3.2mm ID, 7mm OD, and 0.5-0.6mm thickness for reliable M3 screw compatibility
• Enhanced load distribution to prevent surface damage and maintain joint integrity under pressure
• High hardness rating of Rockwell C38 for excellent wear resistance and long-term performance
• Full compliance with DIN 125 and ISO 7089 standards ensuring consistent quality and interchangeability
• Environmental regulatory adherence with RoHS 3 and REACH compliance for safe industrial use
• Cost-effective protection against loosening and galvanic corrosion in metric fastener assemblies

Professional Applications & Engineering Value

This M3 flat washer delivers critical engineering value by addressing common industrial fastening challenges. Manufactured from zinc yellow-chromate plated steel, it provides a robust barrier against moisture, chemicals, and oxidation, significantly reducing failure risks in outdoor equipment, electrical enclosures, and machinery. The precise metric dimensions (3.2x7x0.5-0.6mm) ensure uniform stress distribution, preventing embedment and maintaining clamp load in M3 screw applications. Compliance with DIN 125 and ISO 7089 guarantees dimensional consistency for streamlined assembly processes, while the Rockwell C38 hardness offers durability against vibration-induced wear. Ideal for automotive, electronics, and general manufacturing, this washer solves alignment and corrosion issues in industrial washers applications, enhancing product lifespan and reducing maintenance costs.

Specification Summary & Compliance

This flat washer features precise metric dimensions: 3.2mm inner diameter, 7mm outer diameter, and 0.5-0.6mm thickness, designed for M3 screw size compatibility. It conforms to DIN 125 and ISO 7089 standards for dimensional accuracy and performance. The washer is manufactured from zinc yellow-chromate plated steel with a hardness of Rockwell C38, and it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.