S-93705A114 2-56 x 1/2" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Secure Vibration Resistance: Nylon patch thread locking prevents loosening under dynamic loads, maintaining clamp force in high-vibration environments.
• Superior Corrosion Resistance: Made from 18-8 Stainless Steel for excellent durability in harsh or moist industrial conditions.
• High-Strength Performance: 70,000 psi tensile strength and Rockwell B70 hardness ensure reliable performance under significant mechanical stress.
• Precise Thread Engagement: Class 3A thread fit and UNC coarse threads provide consistent, reliable fastening with reduced cross-threading risk.
• Wide Temperature Tolerance: Nylon patch locking remains effective from -70° to 250° F, suitable for diverse operational environments.
• Optimized Drive System: Hex socket (5/64" drive) allows for high-torque installation and a clean, low-profile head design.
• Regulatory Compliance Assurance: Meets ASME B18.3, RoHS 3, and REACH standards, ensuring quality and environmental responsibility.

Professional Applications & Engineering Value

This 2-56 x 1/2" Socket Head Cap Screw is engineered to address critical challenges in precision assembly and machinery. The 18-8 Stainless Steel construction provides inherent corrosion resistance, essential for equipment exposed to chemicals, moisture, or outdoor elements. The integrated Nylon Patch locking feature eliminates the need for separate lock washers or adhesives, streamlining assembly while providing reliable vibration resistance in motors, conveyor systems, and automated machinery. The UNC coarse thread and Class 3A fit ensure quick installation and consistent clamping force, reducing assembly time and preventing thread damage in high-cycle production environments. Its hex drive design allows for secure tool engagement in confined spaces, making it ideal for compact electronic enclosures, aerospace components, and precision instruments where reliability and space constraints are paramount.

Specification Summary & Compliance

This fastener features a 2-56 UNC thread with Class 3A precision fit and coarse thread spacing for optimal engagement. Manufacturing and dimensional compliance adhere to ASME B18.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial and electronic applications.