S-92655A461 5/8"-11 x 3 1/2" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel ensures long-lasting performance in harsh environments, reducing maintenance costs and downtime.
• High tensile strength of 75,000 psi provides reliable load-bearing capacity for heavy-duty industrial applications, enhancing structural integrity.
• Coarse UNC threading with Class 2A fit offers easy installation and secure fastening, minimizing the risk of cross-threading and improving assembly efficiency.
• Partially threaded design with 2" grip length allows for precise clamping force distribution, ideal for applications requiring vibration resistance and stability.
• External hex drive and hex head enable quick and firm tool engagement, speeding up installation and reducing labor time in tight spaces.
• ASTM A193 Grade B8 certification guarantees compliance with industry standards for high-temperature and pressure services, ensuring safety and reliability.
• Rockwell B100 hardness delivers excellent wear resistance, prolonging fastener life in demanding mechanical setups.

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw is engineered to address critical challenges in industrial and engineering environments, such as corrosion, high stress, and vibration. Crafted from 18-8 stainless steel, it resists rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor installations. The coarse thread and Class 2A fit ensure quick, secure fastening in materials like steel and cast iron, reducing assembly errors. With a partially threaded shank and 2" grip length, it provides optimal clamping force for machinery, structural frames, and piping systems, preventing loosening under dynamic loads. This ASTM A193 Grade B8 compliant fastener is a trusted solution for high-temperature applications, offering durability and performance in demanding sectors like oil and gas, construction, and heavy equipment manufacturing.

Specification Summary & Compliance

This hex head screw features precise inch system dimensions, including a thread size of 5/8"-11 UNC with Class 2A thread fit for standard tolerance and easy assembly. It adheres to ASTM A193 specifications for material and performance, ensuring reliability in high-stress environments. The product meets common industry standards for quality and safety, with compliance covering aspects like material integrity and mechanical properties, though specific RoHS or REACH declarations should be verified per application requirements.