S-96738A060 5/16"-24 x 1 1/4" ASME B18.3 Vibration-Resistant Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch thread locker maintains secure fastening from -70° to 250°F, reducing maintenance in dynamic environments
• Exceptional corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh industrial conditions
• Precision Class 3A fine thread fit delivers superior engagement and clamping force for critical assembly applications
• High tensile strength of 100,000 psi provides reliable performance under heavy loads and extreme pressure conditions
• Integrated Buna-N rubber O-ring creates effective sealing against fluids and contaminants up to 1500 psi maximum pressure
• Standard hex socket drive allows for high torque application and secure installation in confined spaces
• Rockwell B85 hardness rating ensures excellent wear resistance and durability through repeated installation cycles

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw with nylon patch locking technology addresses critical vibration loosening challenges in industrial machinery, automotive systems, and precision equipment. The Class 3A UNF fine thread configuration provides superior thread engagement for high-stress applications where precise clamping force is essential. The combination of Buna-N rubber O-ring sealing and chemical-resistant stainless steel makes these socket head screws ideal for hydraulic systems, pump assemblies, and outdoor equipment exposed to moisture, chemicals, and temperature fluctuations from -40° to 225°F. The hex socket drive design enables high-torque installation in space-constrained applications while maintaining the screw's structural integrity.

Specification Summary & Compliance

This 5/16"-24 UNF socket head cap screw features precision Class 3A thread fit with right-hand thread direction and fine thread spacing. Manufactured to ASME B18.3 specifications with complete compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. The fastener delivers consistent dimensional accuracy with 0.3125" thread diameter, 1-1/4" length, and 0.469" head diameter, ensuring reliable performance in industrial applications requiring exact tolerances and regulatory compliance.