S-92303A112 0.938" ID x 3.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel composition, ideal for harsh industrial environments and outdoor applications.
• Exceptional load distribution with a large 3.25" outer diameter, minimizing surface pressure and preventing material damage.
• Precise fit and secure fastening ensured by the 0.938" inner diameter, perfectly matching 7/8" screw sizes.
• Consistent performance and durability backed by a Rockwell B83 hardness rating, resisting deformation under high stress.
• Reliable dimensional stability with a controlled thickness range of 0.235-0.265", providing uniform clamping force.
• Compliance with global environmental standards, including RoHS 3 and REACH, for safe use in regulated industries.
• Long-lasting mechanical integrity in demanding applications, reducing maintenance frequency and replacement costs.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address critical challenges in heavy-duty industrial fastening. Its robust construction provides a reliable barrier against galvanic corrosion and chemical exposure, making it suitable for marine, chemical processing, and construction equipment. The precise 0.938" ID ensures a snug fit on 7/8" screws, preventing loosening from vibration and thermal cycling. With its large 3.25" OD, it effectively distributes clamping force over a wider area, protecting soft materials and composite surfaces from indentation or cracking. This flat washer delivers consistent performance in high-stress assemblies, from structural steel connections to heavy machinery, enhancing the longevity and safety of your industrial applications.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.938", outer diameter of 3.25", and thickness range of 0.235-0.265", designed for use with 7/8" screw sizes. Manufactured from 18-8 Stainless Steel with a Rockwell B83 hardness, it meets standard inch system dimensional requirements for reliable fit and function. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.