S-92198A812 5/8"-11 x 4 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 industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance in heavy-duty applications.
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
• Class 2A thread fit offers consistent assembly and easy installation with standard UNC coarse threading.
• Partially threaded design allows for precise clamping force control and secure fastening.
• External hex drive and hex head enable quick, tool-friendly installation and high torque application.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw in 18-8 Stainless Steel is engineered to address critical industrial challenges, such as corrosion in outdoor or chemical-exposed settings. Its coarse thread and Class 2A thread fit provide reliable engagement in materials like metal and wood, reducing the risk of stripping. The partially threaded section ensures optimal clamping without over-tightening, making it ideal for machinery, structural assemblies, and construction projects. With an external hex drive, it supports high-torque applications, enhancing efficiency in maintenance and manufacturing. This screw’s robust design minimizes downtime and maintenance costs, delivering long-term value in demanding environments.

Specification Summary & Compliance

This screw features a 4-1/2" length with UNC coarse threads and Class 2A thread fit for precise dimensional accuracy. It meets ASME B18.2.1 manufacturing standards, ensuring consistent quality and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and restricted substance control.