S-97725A132 17.2 mm ID x 21.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity ensures reliable current flow and minimizes energy loss in electrical connections
• Excellent corrosion resistance provides long-lasting performance in harsh environments and prevents galvanic corrosion
• High thermal conductivity effectively dissipates heat from electrical components, extending equipment lifespan
• Anti-seize properties prevent thread galling and facilitate easier maintenance disassembly
• Precision metric dimensions (17.2mm ID x 21.9mm OD) ensure perfect fit for M17 screw applications
• DIN 7603 compliance guarantees consistent quality and dimensional accuracy for industrial applications
• Environmentally compliant with RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These M17 copper flat washers deliver exceptional engineering value in electrical and industrial applications where conductivity and corrosion resistance are critical. The copper material provides outstanding electrical performance, making these metric flat washers ideal for electrical panels, bus bars, and grounding systems where minimizing resistance is paramount. The DIN 7603 standard ensures precise dimensional tolerances for reliable seating and consistent pressure distribution. Copper's natural anti-seize properties prevent thread binding in high-temperature applications, while the material's excellent thermal conductivity helps dissipate heat from electrical connections, reducing the risk of thermal degradation. These flat washers are particularly valuable in electrical substations, power distribution equipment, and industrial machinery where reliable electrical contact and long-term corrosion resistance are essential for operational safety and reduced maintenance costs.

Specification Summary & Compliance

This M17 copper flat washer features precise metric dimensions with 17.2mm inner diameter, 21.9mm outer diameter, and 1.3-1.7mm thickness range, engineered to DIN 7603 standards for dimensional accuracy and manufacturing consistency. The washers are manufactured from high-quality copper material and comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest European Union requirements for hazardous substance restrictions and chemical safety. These compliance certifications make the washers suitable for use in regulated industries and applications requiring environmentally conscious components.