S-97725A127 32.3 mm ID x 37.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from copper material, ideal for harsh environments and extending service life.
• Excellent electrical conductivity ensures reliable performance in electrical and grounding applications.
• Natural anti-galling properties reduce friction and wear, protecting mating surfaces during assembly.
• High thermal conductivity allows for efficient heat dissipation in high-temperature industrial settings.
• Precise dimensional accuracy with 32.3mm ID and 37.9mm OD for secure fit and consistent load distribution.
• Compliance with DIN 7603 standard guarantees interchangeability and reliability in metric fastener systems.
• Durable construction with a thickness of 1.8-2.2mm, providing robust support for M32 screw applications.

Professional Applications & Engineering Value

This M32 metric copper flat washer is engineered to address common industrial challenges such as corrosion, electrical isolation, and thermal management. Made from high-quality copper, it offers inherent corrosion resistance, making it suitable for outdoor, marine, and chemical processing equipment where moisture and chemicals are prevalent. The flat washer design, compliant with DIN 7603, ensures precise alignment and even pressure distribution, preventing bolt loosening and surface damage. Its excellent electrical conductivity is critical in electrical assemblies, switchgear, and grounding systems, while the thermal conductivity helps dissipate heat in engines and machinery, reducing the risk of overheating. By integrating this washer, engineers can enhance assembly integrity, minimize maintenance, and improve safety in demanding applications like power generation, automotive, and heavy machinery.

Specification Summary & Compliance

This washer meets DIN 7603 specifications, ensuring dimensional precision with an inner diameter of 32.3mm, outer diameter of 37.9mm, and thickness ranging from 1.8-2.2mm. It is designed for M32 screw sizes and conforms to standard metric tolerances for reliable performance. The product adheres to common industry regulations, including RoHS and REACH compliance, supporting environmentally conscious manufacturing and safe usage in various sectors.