S-90696A257 7/8"-9 x 2 3/4" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
• Superior strength and durability from 70,000 psi tensile strength and Rockwell B70 hardness, ensuring reliable performance under high stress.
• Precise and secure fastening with Class 3A thread fit, minimizing the risk of loosening in critical assemblies.
• Efficient installation and high torque capability using the 3/4" hex drive, allowing for quick assembly and disassembly.
• Versatile coarse thread (UNC) design for easier starting and better performance in a wide range of materials.
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.

Professional Applications & Engineering Value

This 7/8"-9 UNC Socket Head Cap Screw in 18-8 Stainless Steel is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding applications. Its coarse thread and Class 3A thread fit provide superior holding power in machinery, construction equipment, and heavy-duty assemblies, reducing downtime. The partially threaded design offers optimal clamping force where full threading isn't required, while the 3/4" hex drive enables high-torque installation with standard tools, streamlining maintenance and repair processes in industrial settings.

Specification Summary & Compliance

This fastener features a 7/8"-9 UNC coarse thread with Class 3A precision fit, ensuring tight tolerances for reliable performance. It is manufactured in accordance with ASME B18.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.