S-90107A033 0.531" ID x 1.25" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Precise dimensional fit with 0.531" ID and 1.25" OD, ensuring reliable load distribution and secure fastening for 1/2" screws.
• Enhanced durability and longevity from the material's inherent strength, reducing replacement frequency and maintenance costs.
• Compliance with strict environmental standards, including RoHS 3 and REACH, for safe and sustainable use in regulated industries.
• Versatile inch-system compatibility, making it easy to integrate into existing assemblies without metric conversions.
• Consistent thickness (0.055-0.069") for uniform pressure distribution, minimizing the risk of joint loosening or surface damage.

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges, such as corrosion-induced failure and inconsistent load bearing. Its high-grade material and precise inch-system dimensions (0.531" ID, 1.25" OD) ensure reliable performance in demanding settings like marine equipment, chemical processing plants, and food machinery, where exposure to moisture, salts, and chemicals is frequent. The washer's flat design and controlled thickness help distribute clamp load evenly, preventing bolt loosening and protecting sensitive surfaces. By incorporating RoHS and REACH compliance, it supports environmental safety and regulatory requirements, making it a trusted choice for engineers and procurement specialists seeking long-term, corrosion-resistant industrial fasteners.

Specification Summary & Compliance

This flat washer adheres to standard inch-system dimensions with an ID of 0.531", OD of 1.25", and thickness range of 0.055-0.069", designed for use with 1/2" screws. It is manufactured from 316 stainless steel for optimal performance and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets current environmental and safety standards for industrial applications.