S-92240A788 5/8"-11 x 5" 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.
• Efficient installation and removal via the external hex drive and 15/16" head width, providing a secure grip for standard tools.
• Optimized thread engagement with coarse UNC threading and Class 2A fit, ensuring quick assembly and vibration resistance.
• Full thread coverage along the 5" length for maximum fastening flexibility and uniform load distribution.
• Guaranteed dimensional accuracy and interchangeability by meeting ASME B18.2.1 specifications.
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental standards.

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw is engineered from 18-8 Stainless Steel to combat corrosion in demanding settings like marine, chemical processing, and outdoor infrastructure. Its coarse thread design and Class 2A thread fit prevent loosening under dynamic loads, making it a robust choice for heavy machinery, structural steel connections, and transportation equipment. The fully threaded 5-inch length and external hex drive simplify alignment and tightening, reducing installation time while the high tensile strength ensures long-term reliability in critical industrial applications.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC thread with Class 2A dimensional tolerance for precise fit. It is manufactured in accordance with ASME B18.2.1 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.