S-98687A307 3.2 mm ID x 7 mm OD DIN 125; ISO 7089 General Purpose Washers
General Purpose Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance from black oxide steel surface treatment, extending service life in demanding environments
- Precise dimensional fit with 3.2mm ID specifically engineered for M3 screw applications, ensuring secure fastening
- Optimized load distribution through 7mm OD design, preventing surface damage and maintaining joint integrity
- Consistent performance guaranteed by compliance with both DIN 125 and ISO 7089 international standards
- Environmental compliance assurance with full RoHS 3 and REACH regulations, meeting global manufacturing requirements
- Versatile thickness range of 0.4-0.6mm accommodates various assembly tolerances and compression needs
- Reliable industrial-grade construction in metric sizing for seamless integration into precision mechanical systems
Professional Applications & Engineering Value
These M3 metric flat washers provide critical engineering solutions where precision spacing and surface protection are paramount. Manufactured from black oxide steel, they deliver superior corrosion resistance in industrial environments where moisture or chemicals are present. The DIN 125 and ISO 7089 compliance ensures dimensional accuracy for reliable performance in automotive assemblies, electronic enclosures, and machinery manufacturing. The controlled thickness variation (0.4-0.6mm) accommodates manufacturing tolerances while maintaining consistent load distribution, preventing fastener loosening and material deformation in high-vibration applications.
Specification Summary & Compliance
This flat washer features precise metric dimensions: 3.2mm internal diameter, 7mm outer diameter, and 0.4-0.6mm thickness range, manufactured to DIN 125 and ISO 7089 standards for dimensional accuracy and performance reliability. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.
