S-93744A170 0.5" ID x 1.125" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable performance in grounding and electrical applications
• Excellent corrosion resistance ensuring long-term durability in harsh industrial environments
• Rockwell F77 hardness rating provides consistent mechanical strength and deformation resistance
• Precision dimensional accuracy with 0.5" ID and 1.125" OD for perfect fit with 7/16" fasteners
• Optimal load distribution through uniform thickness (0.068-0.088") preventing surface damage
• Full regulatory compliance with RoHS 3 and REACH standards for environmentally safe operations
• Enhanced thermal conductivity making it ideal for heat dissipation applications

Professional Applications & Engineering Value

This copper flat washer delivers exceptional engineering value through its high-purity copper construction and precision manufacturing. The material's inherent electrical conductivity makes it indispensable for electrical panels, grounding systems, and power distribution applications where reliable current flow is critical. The Rockwell F77 hardness ensures maintained structural integrity under vibration and thermal cycling, while the corrosion-resistant properties prevent degradation in humid or chemically aggressive environments. Engineers specify this precision flat washer for automotive electrical systems, industrial machinery, and marine applications where consistent performance and regulatory compliance are mandatory. The optimized dimensions provide secure fastening for 7/16" screw size applications, preventing loosening and ensuring long-term joint integrity.

Specification Summary & Compliance

This copper flat washer features inch system dimensions with 0.5" inner diameter, 1.125" outer diameter, and thickness ranging 0.068-0.088" for precise fitment. Manufactured to meet industry standards for flat washers, it maintains consistent dimensional accuracy and surface finish. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC updates as of June 2023. The copper material and Rockwell F77 hardness specification ensure reliable performance in demanding industrial applications while meeting international environmental and safety requirements.