S-91090A106 0.266" ID x 0.562" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from zinc plating, extending service life in demanding environments
• Precise dimensional fit with 0.266" ID and 0.562" OD, ensuring secure fastening for 1/4" screws
• Enhanced load distribution with 0.042-0.051" thickness, reducing surface pressure and preventing material damage
• Reliable performance in industrial applications due to durable zinc-plated steel construction
• Compliance with strict environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use
• Versatile compatibility with inch-system fasteners, ideal for various assembly and maintenance tasks

Professional Applications & Engineering Value

These zinc-plated steel flat washers are engineered to address common industrial challenges such as fastener loosening, surface abrasion, and corrosion in humid or chemical-exposed settings. The flat washer design evenly distributes clamping force, preventing joint failure and protecting sensitive materials from indentation. Made from robust steel with a protective zinc coating, they resist rust and wear, making them ideal for industrial machinery, automotive assemblies, and outdoor equipment. Their precise 1/4" screw size compatibility and inch-system measurements ensure quick installation and reliable performance in commercial and engineering applications, reducing maintenance costs and downtime.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.266", outer diameter of 0.562", and thickness range of 0.042-0.051", designed for use with 1/4" screws in inch-based systems. Manufactured from zinc-plated steel, it adheres to standard dimensional tolerances for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmentally responsible procurement.