S-93852A136 0.625" ID x 1.5" OD USS Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 316 stainless steel, ideal for harsh environments including marine and chemical applications.
• Superior load distribution with a large 1.5" outer diameter, reducing surface pressure and preventing material damage.
• Reliable mechanical strength with a Rockwell B68 hardness, ensuring the washer maintains its shape under high stress.
• Precise fit for 9/16" fasteners with a 0.625" inner diameter, providing secure placement and vibration resistance.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and unrestricted global use.
• Durable construction for long service life, minimizing replacement frequency and maintenance costs in industrial settings.
• Standardized USS (Inch) design for easy integration with existing equipment and fastener systems.

Professional Applications & Engineering Value

This 316 Stainless Steel USS Flat Washer is engineered to address critical challenges in demanding industrial environments. Its high corrosion resistance makes it an optimal choice for applications exposed to moisture, chemicals, and saltwater, such as marine hardware, chemical processing plants, and offshore structures. The flat washer design and robust Rockwell B68 hardness ensure consistent performance under heavy loads, preventing bolt loosening and joint failure. By providing a larger bearing surface, it effectively distributes clamping force, protecting softer materials from indentation and fatigue. This washer is indispensable in industries like construction, oil and gas, and heavy machinery, where durability and regulatory compliance are non-negotiable for safety and operational efficiency.

Specification Summary & Compliance

This USS flat washer conforms to standard inch system dimensions with an Inner Diameter of 0.625" (for 9/16" screw size) and Outer Diameter of 1.5", with a Thickness range of 0.086-0.132". It is manufactured from 316 Stainless Steel and meets applicable industry standards for flat washers. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated industrial applications worldwide.