S-90481A223 0.285" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel finish, ideal for humid or demanding industrial environments.
• Precise fit and load distribution with 0.285" ID and 1.25" OD, ensuring stable performance under 1/4" screw assemblies.
• Durable construction from steel material, providing reliable support in mechanical and hardware applications.
• Compliance with strict environmental standards, including RoHS 3 and REACH, for safe and sustainable use.
• Versatile thickness range from 0.047" to 0.080", accommodating various assembly tolerances and reducing the risk of loosening.
• Broad industrial applicability, suitable for heavy-duty machinery, automotive, and construction sectors.
• Cost-effective reliability, minimizing maintenance needs and extending equipment lifespan in corrosive conditions.

Professional Applications & Engineering Value

This 1/4" flat washer is engineered to address common industrial challenges, such as corrosion and uneven load distribution. Made from black-oxide steel, it provides a protective layer that resists rust and wear, making it ideal for outdoor or high-moisture settings like construction and automotive assemblies. The precise inner diameter of 0.285" and outer diameter of 1.25" ensure a snug fit on standard 1/4" screws, preventing slippage and distributing pressure evenly to avoid surface damage. By incorporating this flat washer into your designs, you enhance assembly integrity, reduce downtime from fastener failure, and meet rigorous environmental standards without compromising on industrial durability.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.285", outer diameter of 1.25", and thickness ranging from 0.047" to 0.080", designed for use with 1/4" screw sizes in inch measurement systems. It adheres to standard dimensional tolerances for reliable performance in various applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.