S-91525A364 0.5" ID x 1.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction
• Precise dimensional fit with 0.5" ID designed specifically for 7/16" screws, ensuring secure fastening
• Enhanced load distribution from the 1.5" OD, reducing surface pressure and material stress
• Durable mechanical performance with a consistent 0.170-0.200" thickness for reliable spacing and vibration resistance
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe use in regulated industries
• Long-term reliability in chemical and marine applications thanks to the high-grade stainless steel material

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges such as fastener loosening, surface damage, and corrosion-induced failure. Its inch-system dimensions (0.5" ID x 1.5" OD) provide an optimal fit for 7/16" screws, distributing clamp load evenly to prevent joint fatigue and extend equipment life. The high-corrosion-resistant properties make it ideal for demanding environments like chemical processing, marine hardware, and outdoor infrastructure, where exposure to moisture, salts, and chemicals is frequent. By maintaining integrity under stress and harsh conditions, this washer reduces maintenance frequency and enhances the durability of assembled components, offering significant engineering value in industrial applications that prioritize longevity and safety.

Specification Summary & Compliance

This flat washer adheres to standard inch-system measurements with an inner diameter of 0.5", outer diameter of 1.5", and thickness range of 0.170-0.200". It is manufactured for use with 7/16" screw sizes and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial and environmental standards.