S-93661A116 0.188" ID x 0.438" OD SAE Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable current transfer in demanding electrical systems
• Excellent corrosion resistance ensuring long-term performance in harsh environments
• Precise SAE standard dimensions (0.188" ID x 0.438" OD) for perfect fit with No. 8 screws
• Durable copper construction providing consistent performance under vibration and load
• REACH compliance assurance meeting strict environmental and safety standards
• Optimized thickness range (0.036-0.065") for proper compression and sealing applications
• Versatile flat washer design ideal for both electrical and mechanical assemblies

Professional Applications & Engineering Value

These copper flat washers deliver exceptional engineering value in applications where electrical conductivity and corrosion resistance are critical. The pure copper material ensures minimal voltage drop and reliable grounding performance, making them ideal for electrical panels, bus bars, and power distribution systems. The SAE standard dimensions and precise flat washer design provide consistent surface distribution, preventing galvanic corrosion when used with dissimilar metals. Their REACH compliant composition makes them suitable for industrial equipment, automotive electrical systems, and telecommunications infrastructure where environmental regulations and long-term reliability are paramount concerns.

Specification Summary & Compliance

Manufactured to SAE standards with inch system measurements, these washers feature precise dimensional tolerances with internal diameter of 0.188" and external diameter of 0.438". The thickness range of 0.036-0.065" ensures proper fit and function with No. 8 screw sizes. These copper flat washers are fully REACH compliant (EC 1907/2006) as of 06/14/2023, containing no substances of very high concern among the 235 SVHC list, making them suitable for regulated industrial applications worldwide.