S-92655A704 1"-8 x 5" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• Exceptional mechanical strength with 75,000 psi tensile strength and Rockwell B96 hardness for reliable performance under heavy loads
• ASTM Grade B8 certification and ASTM A193 compliance ensuring material quality and consistency for critical applications
• Coarse UNC threading provides faster assembly and reduced risk of cross-threading in industrial settings
• Partially threaded design offers a secure, non-threaded grip section for precise clamping and vibration resistance
• External hex drive allows for high-torque installation with standard tools, facilitating quick and secure fastening
• Class 2A thread fit ensures smooth, reliable engagement with nuts and tapped holes while maintaining clearance for easy assembly

Professional Applications & Engineering Value

This 1"-8 UNC Grade B8 Stainless Steel Hex Head Screw is engineered to address critical challenges in demanding industrial environments. The 18-8 Stainless Steel material provides excellent resistance to corrosion and oxidation, making it suitable for chemical processing, marine applications, and high-humidity settings. Its 75,000 psi tensile strength and Rockwell B96 hardness ensure structural integrity in high-stress assemblies, such as pressure vessels, piping systems, and heavy machinery. The coarse UNC thread and partial threading design enhance vibration resistance and prevent loosening, while the external hex drive facilitates efficient installation with common tools. Compliant with ASTM A193, this fastener delivers reliable performance in elevated temperature applications, reducing maintenance needs and downtime in critical operations.

Specification Summary & Compliance

This hex head screw features a 1"-8 UNC coarse thread with Class 2A thread fit for consistent engagement and assembly ease. Manufacturing adheres to ASTM Grade B8 and ASTM A193 specifications, ensuring material composition and mechanical properties meet industry standards for high-strength applications. The inch system measurements, including a 5" length and 2 1/4" thread length, provide precise dimensional accuracy. While specific RoHS or REACH declarations are not provided in the specifications, the 18-8 Stainless Steel material typically offers good environmental compliance for industrial use.