S-98687A302 3.2 mm ID x 6 mm OD DIN 433 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black oxide steel finish for reliable performance in demanding environments
• Precise dimensional accuracy (3.2mm ID x 6mm OD) ensuring perfect fit with M3 screws and consistent load distribution
• DIN 433 standard compliance guaranteeing interchangeability and reliability in European mechanical assemblies
• Optimized thickness range (0.5-0.6mm) providing ideal balance between surface protection and space efficiency
• Industrial-grade steel construction delivering durability and repeated usability in high-vibration applications
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in international markets
• Cost-effective solution combining metric precision with long-term corrosion protection for maintenance reduction

Professional Applications & Engineering Value

These M3 metric flat washers with black oxide steel construction address critical engineering challenges in precision assemblies. The DIN 433 standard ensures dimensional consistency across European equipment, while the corrosion-resistant surface treatment prevents galvanic corrosion when paired with M3 screws in humid or industrial environments. The precise 3.2mm internal diameter eliminates play and maintains bolt tension in electronic enclosures, automotive components, and machinery assemblies. The controlled 0.5-0.6mm thickness provides essential bearing surface without adding unnecessary bulk, making these flat washers ideal for space-constrained applications requiring reliable fastening solutions.

Specification Summary & Compliance

Manufactured to DIN 433 specifications with metric dimensions: 3.2mm internal diameter, 6mm outer diameter, and 0.5-0.6mm thickness range. These black oxide steel washers maintain dimensional accuracy for M3 screw applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and market acceptance. The manufacturing process adheres to standardized flat washer tolerances for consistent performance in industrial fastening systems.