S-90452A119 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 extending component lifespan.
• Precise square hole design ensures secure fit for 5/16" screws, preventing rotation and slippage during assembly for reliable fastening.
• Durable 0.75" OD and 0.385" inside width provides optimal load distribution, reducing surface stress and minimizing wear on connected materials.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence, supporting sustainable manufacturing practices.
• Inch system compatibility simplifies sourcing and replacement in standard measurement-based applications, saving time and reducing errors.
• Consistent thickness range (0.043-0.053") offers uniform performance and ease of installation in repetitive assembly processes.

Professional Applications & Engineering Value

This square hole washer in 18-8 stainless steel addresses common industrial challenges by providing exceptional corrosion resistance and mechanical stability. The square hole design securely locks onto 5/16" screws, preventing loosening under vibration or dynamic loads in machinery, automotive, and construction assemblies. Its precise dimensions, including a 0.75" OD and 0.385" inside width, ensure even pressure distribution, reducing the risk of material fatigue and failure. Ideal for industrial washers applications, it enhances reliability in corrosive or high-stress environments, while the inch system alignment streamlines inventory management for B2B procurement.

Specification Summary & Compliance

This washer features an OD of 0.75", thickness of 0.043-0.053", and inside width of 0.385" for 5/16" screw size, adhering to standard inch measurement tolerances. It is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.