S-99041A138 0.688" ID Square Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution: The 3" square design provides a wider surface area, reducing stress and preventing surface damage in heavy-duty applications.
• Superior Corrosion Resistance: Zinc-plated steel construction offers reliable protection against rust, extending the washer's lifespan in harsh environments.
• Precise Fit for 5/8" Screws: With a 0.688" inner diameter, it ensures accurate alignment and secure fastening, minimizing installation errors.
• Durable Material Strength: Rockwell B40 hardness ensures the washer maintains its shape under high pressure, resisting deformation over time.
• Compliance with Global Standards: Meets RoHS 3 and REACH regulations, ensuring safe, environmentally responsible use in international markets.
• Consistent Thickness Tolerance: Ranging from 0.225" to 0.265", it guarantees uniform performance and reliability in repetitive assembly tasks.
• Versatile Inch System Compatibility: Designed for inch-based systems, it seamlessly integrates with existing industrial equipment and fasteners.

Professional Applications & Engineering Value

This zinc-plated steel square washer is engineered to address common industrial challenges, such as joint loosening and material fatigue. Its robust 3" width and precise 0.688" inner diameter ensure optimal load distribution, making it ideal for heavy-duty applications in construction, machinery, and automotive assemblies. The Rockwell B40 hardness provides resistance to wear, while the zinc plating combats corrosion, reducing maintenance needs. By integrating this industrial washer into your 5/8" screw setups, you enhance structural integrity and longevity, meeting demanding engineering specifications with ease.

Specification Summary & Compliance

This square washer features an inner diameter of 0.688" and width of 3", with a thickness range of 0.225" to 0.265" for consistent fit. It conforms to inch system standards and is designed for 5/8" screw sizes, ensuring precise thread engagement. Manufactured from zinc-plated steel with a Rockwell B40 hardness, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental adherence in industrial use.