S-99041A114 0.562" ID Square Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - 3" square design provides superior surface coverage to prevent surface damage and maintain structural integrity under heavy loads
• Corrosion-Resistant Protection - Zinc-plated steel construction offers reliable rust resistance for extended service life in demanding environments
• Precise Fitment - 0.562" inner diameter ensures perfect compatibility with 1/2" screws, eliminating installation issues
• Durable Material Strength - Rockwell B40 hardness rating guarantees consistent performance and resistance to deformation under pressure
• Versatile Thickness Range - 0.220-0.280" thickness accommodates various compression requirements while maintaining stability
• Regulatory Compliance - Meets RoHS 3 and REACH standards, ensuring safe use in regulated industrial applications
• Heavy-Duty Construction - Specifically engineered for construction-grade applications requiring maximum load-bearing capacity

Professional Applications & Engineering Value

This heavy-duty square washer addresses critical engineering challenges in construction and manufacturing where load distribution and structural stability are paramount. The zinc-plated steel construction provides essential corrosion resistance in environments exposed to moisture and harsh conditions, while the 3" square design significantly increases bearing surface area compared to round washers. This expanded surface contact prevents sinking into softer materials and distributes clamping force more effectively, reducing point loading stress that can lead to material failure. The Rockwell B40 hardness ensures the washer maintains its structural integrity under sustained pressure, making it ideal for heavy machinery, structural steel connections, and industrial equipment assembly where vibration and dynamic loads are common challenges.

Specification Summary & Compliance

This industrial square washer features inch system dimensions with 0.562" inner diameter precisely engineered for 1/2" screw applications. The thickness ranges from 0.220" to 0.280" with consistent dimensional accuracy. Manufactured from zinc-plated steel with Rockwell B40 hardness rating, this washer complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and is REACH (EC 1907/2006) compliant with the latest SVHC updates as of January 17, 2023, meeting international regulatory standards for industrial components.