S-97725A850 16.2 mm ID x 19.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Corrosion-resistant aluminum construction ensures long-lasting performance in harsh environments without rust or degradation
• Precise dimensional accuracy with 16.2mm ID and 19.9mm OD provides perfect fit for M16 screws and consistent assembly performance
• Optimal load distribution across contact surfaces prevents surface damage and maintains joint integrity under pressure
• Excellent electrical conductivity makes these washers ideal for electrical applications where grounding or current flow is required
• Lightweight aluminum material reduces overall assembly weight while maintaining structural reliability
• DIN 7603 compliance guarantees standardized quality and interchangeability in European metric applications
• 1.3-1.7mm thickness tolerance accommodates manufacturing variations while maintaining consistent spacing and pressure distribution

Professional Applications & Engineering Value

This M16 metric aluminum flat washer delivers exceptional engineering value through its corrosion-resistant aluminum construction and DIN 7603 compliance. The precisely engineered dimensions (16.2mm ID × 19.9mm OD) ensure perfect alignment with M16 fasteners, preventing misalignment and reducing assembly time. The aluminum material provides natural corrosion resistance without additional coatings, making these flat washers ideal for outdoor equipment, marine applications, and electrical enclosures where moisture exposure is common. The combination of electrical conductivity and reliable load distribution makes them particularly valuable in electrical panels, automotive assemblies, and machinery where both electrical grounding and mechanical stability are critical requirements.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications including 16.2mm inner diameter, 19.9mm outer diameter, and thickness range of 1.3-1.7mm, manufactured to DIN 7603 standards for dimensional accuracy and performance consistency. The aluminum construction provides inherent corrosion resistance without requiring additional surface treatments. These washers comply with standard metric sizing requirements and are designed specifically for use with M16 screw sizes, ensuring proper fit and function in industrial applications requiring metric fastening systems.