S-91122A110 0.313" ID Square Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Optimized load distribution with a large 2" square surface area, preventing surface damage and fastener loosening under heavy loads.
• Precise 1/4" screw compatibility with a 0.313" inner diameter, ensuring a secure and accurate fit for consistent assembly performance.
• Superior mechanical strength backed by Rockwell B83 hardness, providing excellent resistance to deformation under high stress.
• Guaranteed material safety with full compliance to RoHS 3 and REACH regulations, making them suitable for sensitive and regulated industries.
• Dimensional consistency with a controlled thickness range of 0.235-0.265", ensuring reliable performance in repetitive applications.
• Broad industrial suitability in inch measurement system, ideal for maintenance, machinery, and construction applications requiring durable hardware.

Professional Applications & Engineering Value

Engineered for demanding environments, this 2" square washer solves critical challenges in industrial assembly. The 18-8 stainless steel material provides excellent resistance to rust and chemical corrosion, making it ideal for outdoor equipment, marine applications, and chemical processing plants where moisture exposure is a constant concern. Its substantial square profile offers a larger bearing surface compared to standard round washers, effectively distributing clamping force and preventing pull-through on softer materials like wood or composite panels. This is particularly valuable when used with 1/4" screws in structural frameworks, heavy machinery, and conveyor systems, where vibration resistance and joint integrity are paramount. The combination of Rockwell B83 hardness and precise dimensional control ensures the washer maintains its shape and function, eliminating premature failure points and reducing maintenance cycles.

Specification Summary & Compliance

This washer is manufactured to precise dimensional specifications, including an Inner Diameter (ID) of 0.313" and a Thickness ranging from 0.235" to 0.265". It is designed for use with a 1/4" screw size in the inch measurement system. 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 safe for use in various industrial and commercial applications.