S-97725A119 16.2 mm ID x 21.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Excellent electrical conductivity for reliable performance in electrical systems and grounding applications
• Superior corrosion resistance ensures long-term durability in humid or chemically aggressive environments
• Non-magnetic properties make these washers ideal for sensitive electronic equipment and instrumentation
• Precise dimensional compliance with DIN 7603 standards guarantees perfect fit for M16 fasteners and consistent sealing
• Copper material softness provides excellent sealing deformation for leak-proof connections in plumbing and hydraulic systems
• Wide thickness tolerance (1.3-1.7mm) accommodates varying compression requirements while maintaining seal integrity
• Durable copper construction offers repeated usability and reliable performance in automotive and industrial assemblies

Professional Applications & Engineering Value

These M16 metric copper flat washers deliver exceptional engineering value through their specialized material properties and DIN 7603 compliance. The copper construction addresses critical industrial challenges by providing superior electrical conductivity for grounding applications while offering excellent corrosion resistance in demanding environments. The precise dimensional specifications (16.2mm ID x 21.9mm OD) ensure perfect compatibility with M16 fasteners, creating reliable seals in plumbing systems, automotive assemblies, and electrical connections. The non-magnetic properties make these washers indispensable in sensitive electronic equipment, while the copper's malleability allows for optimal compression sealing without galling or seizing, solving common assembly challenges in maintenance and manufacturing applications.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 16.2mm inner diameter, 21.9mm outer diameter, and thickness range of 1.3-1.7mm, manufactured to DIN 7603 standards for dimensional accuracy and performance reliability. The washers comply with industry-standard specifications for copper flat washers and are suitable for applications requiring M16 screw sizes. While hardness is not specifically rated, the material properties ensure consistent performance in electrical, plumbing, and automotive applications where corrosion resistance and electrical conductivity are paramount requirements.