S-98688A177 13 mm ID x 20 mm OD DIN 433 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 with zinc plating for longer service life in demanding industrial environments
- Optimal load distribution with precise 13mm ID and 20mm OD dimensions to prevent surface damage and fastener loosening
- Reliable dimensional consistency manufactured to DIN 433 standards ensuring perfect fit with M12 screws
- Durable steel construction providing excellent strength and stability under mechanical stress
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable usage
- Versatile thickness range (1.8-2.2mm) accommodating various assembly requirements and tolerance needs
- Cost-effective protection against galvanic corrosion while maintaining electrical conductivity
Professional Applications & Engineering Value
This M12 metric flat washer delivers critical engineering solutions where uniform load distribution and corrosion prevention are paramount. The zinc plated steel construction creates a protective barrier against moisture and chemical exposure, significantly extending component lifespan in industrial machinery, automotive assemblies, and outdoor equipment. Manufactured to DIN 433 specifications, these washers ensure precise dimensional accuracy that prevents joint failure, reduces maintenance costs, and maintains structural integrity under vibration and thermal cycling. The combination of 13mm inner diameter and 20mm outer diameter provides optimal bearing surface area, effectively distributing clamping forces to protect sensitive materials and prevent embedding.
Specification Summary & Compliance
This flat washer features precise dimensional tolerances according to DIN 433 standards with 13mm inner diameter, 20mm outer diameter, and 1.8-2.2mm thickness range. The product is manufactured from zinc plated steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restriction of hazardous substances and safe industrial usage.
