S-98023A045 2.125" ID x 3.75" OD General Purpose Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with a large 3.75" outer diameter, minimizing surface pressure and preventing damage to assembled materials.
• Superior corrosion resistance from zinc yellow-chromate plating, ensuring long-term durability in harsh industrial environments.
• High-strength performance with Grade 8 classification and Rockwell C38 hardness, providing reliable support for heavy-duty applications.
• Precise fit and secure fastening with a 2.125" inner diameter designed for 2" screws, reducing loosening under vibration.
• Consistent thickness control between 0.178-0.196", ensuring uniform clamping force and stability in assemblies.
• Compliance with safety standards including REACH, guaranteeing safe use in regulated industrial settings.
• SAE standard compatibility for seamless integration into existing inch-system machinery and equipment.

Professional Applications & Engineering Value

This SAE flat washer is engineered to address critical challenges in heavy machinery, construction, and automotive assemblies where vibration, high loads, and environmental exposure are common. The zinc yellow-chromate plated steel construction provides a robust barrier against rust and corrosion, extending service life in outdoor or humid conditions. Its Grade 8 strength and precise dimensions ensure reliable performance under stress, preventing bolt loosening and material deformation. Ideal for use with 2 inch screw sizes in structural applications, this washer distributes clamping force evenly, reducing the risk of joint failure and maintenance downtime, making it a trusted component for engineers and procurement specialists.

Specification Summary & Compliance

This washer meets SAE standards for inch-system flat washers, with an inner diameter of 2.125", outer diameter of 3.75", and thickness range of 0.178-0.196". It is manufactured from zinc yellow-chromate plated steel and complies with REACH (EC 1907/2006) regulations as of June 14, 2023, ensuring adherence to environmental and safety requirements. The Grade 8 classification and Rockwell C38 hardness confirm high mechanical strength and durability for demanding industrial use.