S-92303A111 0.812" ID x 3" OD Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel material, ideal for harsh industrial environments and outdoor applications.
• Superior load distribution due to the large 3" outer diameter, reducing surface pressure and preventing material damage.
• Precise fit for 3/4" screws with a 0.812" inner diameter, ensuring secure fastening and minimizing loosening in high-vibration settings.
• Enhanced durability and strength from Rockwell B83 hardness, offering reliable performance under heavy mechanical stress.
• Consistent thickness tolerance between 0.235" and 0.265", providing uniform spacing and stability in assembled structures.
• Compliance with environmental regulations, including RoHS 3 and REACH, ensuring safe use in regulated industries and global markets.
• Long-term cost efficiency by resisting rust and wear, reducing maintenance needs and replacement frequency in demanding applications.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as corrosion, vibration-induced loosening, and surface damage. The inch-based sizing and precise inner diameter of 0.812" ensure a perfect match for 3/4" screw size fasteners, critical in machinery assembly, construction, and heavy equipment. Its large 3" outer diameter effectively distributes clamping force, protecting soft materials and reducing stress concentrations. Made from corrosion-resistant stainless steel, it excels in humid, chemical, or marine environments, prolonging service life and minimizing downtime. Ideal for industrial washers applications in automotive, aerospace, and structural engineering, this component enhances reliability and safety in heavy-duty mechanical systems.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.812", outer diameter of 3", and thickness range of 0.235" to 0.265", designed for use with 3/4" screws in inch measurement systems. It meets standard dimensional tolerances for industrial flat washers and is manufactured from 18-8 stainless steel with a Rockwell B83 hardness for consistent performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for hazardous substances.