S-99041A127 1.062" ID Square Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution: The 3" square shape provides a wider bearing surface, reducing surface pressure and preventing damage to assembled materials.
• Superior Corrosion Resistance: The zinc-plated steel construction offers excellent protection against rust and degradation in harsh industrial environments.
li>Precision Fit for 1" Screws: With a 1.062" inner diameter, this washer ensures a perfect, secure fit on standard 1" fasteners, minimizing play and vibration.
• Exceptional Durability: A Rockwell B40 hardness rating guarantees high mechanical strength and resistance to deformation under heavy loads.
• Regulatory Peace of Mind: Compliant with RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
• Heavy-Duty Performance: A substantial thickness range of 0.220-0.280" provides the structural integrity needed for demanding construction and industrial applications.
• Broad Compatibility: Designed to the inch system, this washer seamlessly integrates with a wide range of North American machinery and equipment.

Professional Applications & Engineering Value

This heavy-duty square washer is engineered to solve critical challenges in structural and machinery assembly. The zinc-plated steel material combats corrosion, a common failure point in outdoor or high-moisture environments, thereby extending the service life of the entire connection. Its large 3" width and square profile are crucial for distributing clamping force over a greater area on soft materials like wood or composite panels, preventing pull-through and surface crushing. This makes it an indispensable component in construction, heavy equipment manufacturing, and infrastructure projects where vibration resistance and long-term joint integrity are non-negotiable. The precise 1.062" ID ensures optimal alignment with 1" screws, streamlining installation and enhancing the reliability of the final assembly.

Specification Summary & Compliance

This square washer conforms to standard inch system dimensions with an Inner Diameter (ID) of 1.062", a Width of 3", and a Thickness of 0.220-0.280". The manufacturing employs zinc-plated steel for surface finish and achieves a material hardness of Rockwell B40. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) and is REACH (EC 1907/2006) compliant, adhering to the latest substance restrictions as of January 17, 2023.