S-93661A117 0.219" ID x 0.5" OD SAE Washers

Key Features & Benefits at a Glance

• Superior electrical and thermal conductivity due to pure copper material, ensuring efficient performance in electrical connections and heat transfer applications.
• Excellent corrosion resistance for long-lasting durability in harsh or humid environments, reducing maintenance and replacement costs.
• Natural anti-galling properties of copper prevent seizing and damage during installation, providing reliable, reusable fastening solutions.
• Effective sealing capabilities in plumbing and fluid systems, minimizing leaks and enhancing system integrity under pressure.
• REACH compliance ensures safety and environmental responsibility, meeting strict EU regulations for hazardous substances.
• Precise SAE inch dimensions (0.219" ID x 0.5" OD) guarantee consistent fit and performance with No. 10 screws, reducing assembly errors.
• Lightweight and malleable design allows for easy installation and conformability to uneven surfaces, improving contact and load distribution.

Professional Applications & Engineering Value

This Copper SAE Flat Washer is engineered to address critical challenges in electrical and plumbing systems, where reliable conductivity and corrosion resistance are paramount. The high-purity copper material ensures minimal energy loss in electrical applications, while its innate resistance to oxidation prolongs service life in moist or chemical-exposed environments. The flat washer design and precise SAE inch specifications provide a secure fit for No. 10 screws, preventing loosening under vibration and thermal cycling. Ideal for use in electrical grounding, HVAC assemblies, and fluid sealing, this washer solves common issues like galvanic corrosion and poor electrical contact, offering a durable, REACH-compliant solution that enhances system safety and efficiency in industrial settings.

Specification Summary & Compliance

This washer adheres to SAE standards with an inner diameter of 0.219", outer diameter of 0.5", and thickness range of 0.036-0.065", ensuring precise compatibility with No. 10 screw sizes. Manufactured from high-quality copper, it meets REACH (EC 1907/2006) compliance as of June 14, 2023, with no SVHC above threshold levels, confirming environmental and safety adherence. While hardness is not rated, the design focuses on malleability and conductivity for reliable performance in standard industrial applications.