S-90696A265 1"-8 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.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads, preventing fastener failure in critical assemblies.
• Precise Class 3A thread fit guarantees secure mating with nuts and threaded holes, minimizing backlash and improving assembly accuracy.
• Robust 3/4" hex drive design allows for high torque application, reducing the risk of stripping and enabling efficient installation.
• Superior durability with Rockwell B70 hardness, providing excellent wear resistance and a long service life.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures product reliability, safety, and environmental responsibility for global projects.
• Partially threaded shank offers optimal grip and clamping force where needed, enhancing joint stability in various applications.

Professional Applications & Engineering Value

This 1"-8 UNC Socket Head Cap Screw is engineered for demanding industrial settings where reliability and precision are paramount. Made from 18-8 Stainless Steel, it provides excellent resistance to corrosion and oxidation, making it suitable for outdoor machinery, chemical processing equipment, and marine applications. The coarse UNC thread and Class 3A fit ensure quick assembly and secure fastening, reducing the risk of cross-threading in high-vibration environments. With a 3/4" hex drive and high tensile strength, it handles substantial torque without failure, ideal for heavy-duty construction, automotive assemblies, and industrial machinery. Its compliance with ASME B18.3 standards guarantees consistent quality, while RoHS and REACH adherence supports sustainable operations, minimizing downtime and maintenance costs in rigorous engineering projects.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including a Class 3A thread fit and UNC coarse thread with a size of 1"-8, ensuring compatibility and reliability. It meets ASME B18.3 specifications for socket head cap screws, providing consistent performance in industrial applications. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming it is free from hazardous substances and suitable for environmentally conscious procurement. The inch-based measurements, such as a 2 3/4" length and 1 1/2" head diameter, are manufactured to tight tolerances for optimal fit and function.