S-93705A201 8-32 x 5/8" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Secure vibration-resistant locking with an integrated nylon patch that maintains hold in temperatures from -70° to 250°F, ideal for dynamic or thermal cycling environments.
• Exceptional corrosion resistance provided by 18-8 stainless steel, ensuring long-term reliability and reduced maintenance in harsh or outdoor conditions.
• High-strength performance with a tensile strength of 70,000 psi and Rockwell B70 hardness, offering dependable load-bearing capacity for demanding applications.
• Precise, reliable threading featuring a Class 3A UNC coarse thread fit, enabling easier assembly and reduced risk of cross-threading in industrial settings.
• Optimized for high-torque installation with a standard hex socket head and 9/64" drive, allowing for secure tool engagement and efficient fastening in confined spaces.
• Full thread engagement along the 5/8" length, providing consistent clamping force and versatility across various material thicknesses.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

Engineered for precision and endurance, this 8-32 UNC thread socket head cap screw addresses common industrial challenges such as fastener loosening under vibration and exposure to corrosive elements. The 18-8 stainless steel construction offers excellent resistance to rust and oxidation, making it suitable for machinery, automotive assemblies, and outdoor equipment. The integrated nylon patch thread locker eliminates the need for separate locking washers or adhesives, streamlining assembly while providing secure, reusable fastening that performs reliably across a wide temperature range of -70° to 250°F. Its coarse thread spacing and Class 3A fit ensure quick installation and high fatigue resistance, reducing downtime in production lines and maintenance operations.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, with precise Class 3A thread fit and UNC coarse thread standards for consistent dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety guidelines for industrial use.