S-96738A066 3/8"-16 x 1 1/2" ASME B18.3 Vibration-Resistant Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch thread locker that maintains secure fastening in high-stress environments
• Exceptional corrosion resistance through 18-8 stainless steel construction for long-term reliability in harsh conditions
• Precision thread engagement with Class 3A UNC coarse threads ensuring consistent, reliable mating with components
• High-strength performance delivering 100,000 psi tensile strength and Rockwell B85 hardness for demanding applications
• Wide temperature tolerance with thread locker functioning from -70° to 250°F for versatile industrial use
• Optimized drive efficiency through 5/16" hex socket design providing secure tool engagement and reduced cam-out risk
• Maximum pressure handling capable of withstanding up to 1500 psi in critical assembly applications

Professional Applications & Engineering Value

Engineered for precision industrial assemblies where vibration resistance and reliable fastening are critical, these 18-8 stainless steel socket head cap screws address common failure points in machinery, equipment, and structural applications. The permanent nylon patch locking technology creates consistent friction along the UNC coarse threads, preventing loosening under dynamic loads while maintaining Class 3A thread fit precision. This combination of high tensile strength (100,000 psi) and corrosion-resistant material ensures long-term performance in manufacturing equipment, automotive components, and industrial machinery where temperature fluctuations (-70° to 250°F) and pressure variations (up to 1500 psi) would compromise standard fasteners. The hex socket drive design allows for high torque application in confined spaces, making these locking screws ideal for maintenance-critical applications requiring dependable, vibration-resistant fastening solutions.

Specification Summary & Compliance

This socket head cap screw features precision Class 3A thread fit with 3/8"-16 UNC coarse threads and right-hand thread direction, manufactured to ASME B18.3 specifications. The fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring material safety and regulatory compliance for industrial applications worldwide. With a maximum hole diameter of 0.397" and fully threaded design, these screws provide consistent performance meeting rigorous industrial standards.