S-97725A450 18.2 mm ID x 23.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Enhanced electrical conductivity for reliable performance in power transmission and grounding systems.
• Superior corrosion resistance in various environments, extending component lifespan.
• Excellent thermal performance for applications involving heat dissipation or thermal cycling.
• Reliable sealing capabilities to prevent fluid and gas leaks in pressurized systems.
• Precise dimensional accuracy (18.2mm ID, 23.9mm OD) ensures a perfect fit for M18 screws.
• Compliance with DIN 7603 standard guarantees consistent quality and interchangeability.
• Durable copper material provides long-term reliability without galling or seizing.

Professional Applications & Engineering Value

This M18 metric copper flat washer is engineered to address critical challenges in demanding industrial settings. Its high-purity copper construction offers exceptional electrical conductivity, making it ideal for electrical applications like busbars, connectors, and grounding systems where minimal resistance is crucial. The material's innate corrosion resistance ensures longevity in plumbing systems and marine environments, preventing failure from rust or chemical exposure. Furthermore, the flat washer design and precise dimensions provide a secure, even load distribution under M18 screw heads, preventing loosening from vibration and offering a reliable metal-to-metal seal in industrial assemblies. This combination of material properties and DIN 7603 compliance delivers a robust solution for engineers prioritizing safety, durability, and performance in their designs.

Specification Summary & Compliance

This washer features an Inner Diameter of 18.2 mm and Outer Diameter of 23.9 mm with a Thickness of 1.3-1.7 mm, manufactured to the precise dimensional tolerances specified by the DIN 7603 standard. It is designed specifically for use with M18 screw size fasteners in metric system applications. The product is compliant with relevant industry standards for material composition and dimensional accuracy, ensuring reliability and performance in professional and industrial use.