S-92205A529 5/8"-11 x 1" Sealing Hex Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with silicone rubber O-ring that withstands extreme pressure up to 20,000 PSI
• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• Reliable high-strength fastening with 80,000 PSI tensile strength and Rockwell B85 hardness for demanding applications
• Wide temperature compatibility with O-ring maintaining integrity from -80° to 400°F (-62° to 204°C)
• Precision thread engagement through Class 2A UNC coarse threads ensuring consistent fit and easy installation
• Maximum drive torque capability with external hex head design for secure tightening in high-pressure systems
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head sealing screw delivers critical performance in demanding industrial applications where fluid containment and pressure integrity are paramount. The combination of 18-8 stainless steel construction and silicone rubber O-ring creates a robust sealing solution that prevents leaks in hydraulic systems, pneumatic equipment, and processing machinery. The fully threaded design with Class 2A thread fit ensures uniform load distribution while the external hex drive provides superior torque transmission during installation. Engineered to maintain seal integrity across extreme temperature fluctuations from -80° to 400°F, this high-pressure rated screw solves critical challenges in oil & gas, chemical processing, and heavy equipment manufacturing where failure is not an option.

Specification Summary & Compliance

This hex head screw features 5/8"-11 UNC coarse threads with Class 2A thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and reliable engagement. The fully threaded design provides consistent fastening along the entire 1" length with 0.625" thread diameter. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental compliance for industrial applications worldwide. The screw accommodates maximum hole diameters up to 0.655" while delivering 80,000 PSI tensile strength with Rockwell B85 hardness for durable performance.