S-92240A359 3/8"-24 x 1 3/4" 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 and reducing maintenance costs
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
• Precise, secure fastening thanks to the Class 2A thread fit and UNF fine thread profile, minimizing the risk of loosening
• Efficient installation and removal with an external hex drive and standard hex head, compatible with common tools
• Maximum grip and load distribution from the fully threaded design, enhancing joint integrity
• Guaranteed dimensional consistency and interchangeability, manufactured to meet ASME B18.2.1 specifications
• Safe for regulated industries with compliance to RoHS 3 and REACH, ensuring environmental and safety standards are met

Professional Applications & Engineering Value

This 3/8"-24 UNF fine thread hex head screw is engineered to address critical challenges in industrial assembly, where vibration resistance, corrosion, and high tensile loads are common. The 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing equipment. The fine thread and Class 2A fit offer tighter tolerances than coarse threads, reducing the likelihood of loosening in dynamic or high-vibration environments like machinery, automotive subsystems, and structural frameworks. Its fully threaded body ensures uniform stress distribution and superior clamping force, which is vital for applications requiring consistent preload and joint security. The external hex drive allows for high-torque installation, facilitating quick and secure fastening in confined spaces, thereby improving assembly efficiency and reducing downtime in maintenance operations.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF fine thread with a Class 2A thread fit for precise dimensional accuracy and interchangeability. It is manufactured in accordance with ASME B18.2.1 standards, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements for hazardous substance restrictions.