S-91525A463 0.5" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in harsh industrial and marine environments
• Excellent durability from 316 stainless steel construction, maintaining integrity under various loads
• Precise dimensional fit with 0.5" ID specifically engineered for secure 7/16" screw applications
• Optimal load distribution through 2" OD design, reducing surface pressure and preventing material damage
• Consistent performance with controlled thickness range (0.106-0.130") ensuring reliable seating and alignment
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Interchangeable compatibility with inch-system fasteners, simplifying inventory and installation processes

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value where corrosion resistance is paramount. The marine-grade 316 stainless steel composition provides superior protection against chlorides, chemicals, and atmospheric exposure, solving critical failure points in marine equipment, chemical processing installations, and coastal infrastructure. The precise 0.5" inner diameter ensures perfect alignment with 7/16" screws, eliminating play and maintaining bolt tension integrity. With their 2" outer diameter, these industrial washers effectively distribute clamping forces across wider surfaces, preventing embedment in softer materials and reducing stress concentration. This combination of corrosion-resistant properties and dimensional precision makes them ideal for permanent installations where maintenance access is limited and reliability is non-negotiable.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 0.5" inner diameter, 2" outer diameter, and thickness ranging from 0.106" to 0.130" for consistent performance. Manufactured to standard flat washer specifications for 7/16" screw applications. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (updated to 235 SVHC as of 06/14/2023), ensuring adherence to international environmental and safety regulations for industrial components.