S-90452A116 Washers for Square-Neck Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise square hole design ensures secure fit and prevents rotation with No. 10 screws, enhancing assembly stability.
• Durable and long-lasting performance due to the material's inherent strength, reducing replacement frequency and maintenance costs.
• Optimal load distribution with a 0.5" outer diameter, minimizing surface pressure and preventing damage to connected materials.
• Accurate dimensional fit featuring a 0.226" inside width for consistent alignment and ease of installation in inch-based systems.
• Compliance with strict environmental standards, including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Versatile application range from machinery to construction, thanks to its robust design and reliable material properties.

Professional Applications & Engineering Value

This square hole washer is engineered to address common challenges in industrial fastening, such as screw loosening and material wear. Made from 18-8 stainless steel, it offers excellent corrosion resistance, making it suitable for applications in moist or chemical-exposed environments like marine equipment, food processing machinery, and outdoor structures. The square hole design provides anti-rotation benefits, ensuring a stable connection with No. 10 screws and reducing the need for frequent retightening. Its precise dimensions, including a 0.5" OD and 0.226" inside width, allow for quick, error-free installation in inch system assemblies, improving efficiency in manufacturing and maintenance workflows. By integrating this washer, engineers can enhance the durability and reliability of their projects while meeting stringent industry standards.

Specification Summary & Compliance

This washer features an outer diameter of 0.5", thickness range of 0.043-0.053", and inside width of 0.226", designed for use with No. 10 screws in inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications. The material, 18-8 stainless steel, provides reliable performance without a specified hardness rating, focusing on general durability and corrosion resistance in accordance with common industrial fastener standards.