S-92240A587 5/16"-18 x 1 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments like marine or chemical processing.
• High tensile strength of 80,000 psi ensures reliable performance in heavy-duty and high-stress applications.
• Class 2A thread fit provides consistent, reliable engagement and easier assembly without sacrificing strength.
• Fully threaded design offers maximum grip and holding power along the entire shank length.
• External hex drive and hex head allow for high-torque installation with standard tools, speeding up assembly.
• Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability for professional use.
• RoHS 3 and REACH compliance ensures environmental safety and meets global regulatory standards.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw in 18-8 Stainless Steel is engineered to address common industrial challenges such as corrosion, vibration loosening, and high mechanical stress. Its coarse thread and Class 2A fit provide excellent resistance to stripping and ensure quick, secure fastening in materials like metal and wood. The fully threaded design maximizes load distribution, making it ideal for construction, marine, and heavy machinery applications where durability and reliability are critical. With a Rockwell B70 hardness and robust tensile strength, it withstands extreme conditions, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw adheres to ASME B18.2.1 standards, ensuring precise dimensions including a 1-1/2" length, 5/16"-18 UNC coarse threads, and Class 2A thread fit for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety requirements in industrial sourcing.