S-98970A233 2.25" ID x 4" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized steel coating, ideal for outdoor or high-moisture industrial environments.
• Exceptional load distribution from the 4" outer diameter, preventing surface damage and maintaining joint integrity under heavy loads.
• Precise fit for 2" screws with a 2.25" inner diameter, ensuring secure fastening and reducing installation errors.
• Enhanced durability and wear resistance due to Rockwell B40 hardness, extending service life in demanding applications.
• Consistent thickness (0.302-0.332") for reliable performance and uniform pressure distribution across assemblies.
• Compliance with environmental regulations, including RoHS 3 and REACH, meeting global standards for safe industrial use.
• Heavy-duty construction suitable for mechanical, construction, and structural applications requiring long-term reliability.

Professional Applications & Engineering Value

This hot-dipped galvanized steel flat washer is engineered to address common industrial challenges such as corrosion, joint failure, and inconsistent load bearing. The thick design (0.302-0.332") and Rockwell B40 hardness provide excellent resistance to deformation under high stress, making it ideal for heavy-duty applications in construction, machinery, and infrastructure. The zinc coating from hot-dipping offers robust protection against rust and environmental wear, reducing maintenance costs and downtime. With precise dimensions for 2" screws, it ensures secure fastening in critical assemblies, enhancing safety and performance in demanding environments like bridges, industrial equipment, and outdoor structures.

Specification Summary & Compliance

This flat washer features an inner diameter of 2.25", outer diameter of 4", and thickness range of 0.302-0.332", designed for use with 2" screws in inch measurement systems. It 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, adhering to environmental and safety standards for industrial components.