S-93661A120 0.344" ID x 0.688" OD SAE Washers

Key Features & Benefits at a Glance

• Superior electrical and thermal conductivity for reliable grounding and heat dissipation in demanding industrial environments
• Excellent corrosion resistance ensuring long-term performance and reduced maintenance in harsh conditions
• Precise SAE inch dimensions (0.344" ID, 0.688" OD) for perfect fit with 5/16" screws and consistent assembly
• Durable copper construction providing malleability for effective sealing and vibration resistance
• REACH compliance guaranteeing environmental safety and regulatory adherence for global industrial use
• Optimized thickness range (0.051-0.080") accommodating various compression needs and space constraints
• Broad industrial compatibility suitable for electrical, automotive, and machinery applications requiring dependable performance

Professional Applications & Engineering Value

Engineered for critical electrical grounding and thermal management systems, these copper flat washers deliver exceptional conductivity where performance is non-negotiable. The SAE standard inch sizing ensures seamless integration with 5/16" fasteners, preventing loosening under vibration while maintaining consistent electrical contact. In industrial settings—from power distribution to automotive assemblies—the corrosion-resistant copper material eliminates galvanic corrosion risks and extends service life. Their flat washer design distributes load evenly, protecting sensitive components from damage during torque application. Ideal for applications demanding both reliable electrical paths and mechanical stability, these washers solve common challenges in harsh environments where inferior materials fail.

Specification Summary & Compliance

This SAE flat washer maintains precise dimensional tolerances with 0.344" inner diameter and 0.688" outer diameter, engineered for 5/16" screw size compatibility. Manufactured from high-purity copper with thickness ranging 0.051-0.080" to accommodate standard assembly requirements. Fully compliant with REACH (EC 1907/2006) regulations as of 06/14/2023, ensuring adherence to international environmental and safety standards for industrial components.