S-98025A037 0.938" ID x 1.75" OD Oversized Washers
Oversized Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with zinc yellow-chromate plating, extending service life in harsh industrial environments.
- Superior load distribution due to the 1.75" OD and 0.938" ID, preventing surface damage and joint loosening under high stress.
- High-strength performance meeting Grade 8 standards, ensuring reliability in demanding mechanical applications.
- Enhanced durability from Rockwell C43 hardness, providing excellent resistance to wear and deformation.
- Precise fit for 7/8" screws, facilitating easy installation and secure fastening in inch-system assemblies.
- Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe, sustainable use.
- Robust construction with a thickness of 0.235-0.264", offering consistent performance under heavy loads.
Professional Applications & Engineering Value
This Grade 8 flat washer is engineered to address critical challenges in heavy machinery, construction, and automotive sectors where corrosion resistance and high tensile strength are paramount. The zinc yellow-chromate plated steel material combats rust and chemical exposure, prolonging the lifespan of assemblies in corrosive settings. Its precise 1.75" OD and 0.938" ID ensure optimal load spreading, reducing stress concentrations and preventing bolt failure. Ideal for use with 7/8" screws in inch-based systems, it supports applications like structural bolting, engine components, and industrial equipment, delivering reliable performance under extreme conditions while minimizing maintenance needs.
Specification Summary & Compliance
This washer adheres to Grade 8 standards for high strength, with dimensions including an OD of 1.75", ID of 0.938", and thickness range of 0.235-0.264" for precise fit in inch measurements. It is manufactured from steel with a Rockwell C43 hardness and features a zinc yellow-chromate surface finish for enhanced protection. Compliance includes RoHS 3 (2015/863/EU) with exemption 6(a) for lead in steel alloys and REACH (EC 1907/2006) adherence, ensuring environmental and safety standards are met for industrial use.
