S-92205A531 5/8"-11 x 1 1/2" Sealing Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Reliable high-pressure sealing up to 20,000 psi thanks to the integrated silicone rubber O-ring
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty applications
• Wide temperature compatibility from -80° to 400°F, maintaining performance in extreme conditions
• Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening and easy installation
• Full threading design provides maximum grip length and uniform load distribution
• Regulatory compliance with RoHS 3 and REACH standards for safe, environmentally responsible usage

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw delivers critical performance in demanding industrial settings where both mechanical integrity and environmental sealing are paramount. The 18-8 stainless steel construction offers excellent corrosion resistance, while the silicone rubber O-ring creates a reliable seal against fluids and gases under pressures up to 20,000 psi. The Class 2A thread fit with UNC coarse threading ensures consistent engagement and vibration resistance in heavy machinery, hydraulic systems, and high-pressure piping applications. Its fully threaded design and external hex drive facilitate quick installation and removal, reducing maintenance downtime in industrial operations.

Specification Summary & Compliance

This hex head screw features 5/8"-11 UNC coarse threads with Class 2A thread fit for precise dimensional accuracy. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility. The fully threaded design with right-hand thread direction and external hex drive provides standardized installation compatibility across industrial applications.