S-96738A064 3/8"-16 x 1" 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, preventing loosening in dynamic applications
• Superior sealing performance with Buna-N rubber O-ring withstands pressures up to 1500 psi, ideal for hydraulic and pneumatic systems
• Exceptional strength and durability from 18-8 stainless steel construction with 100,000 psi tensile strength and Rockwell B85 hardness
• Precision thread engagement with Class 3A fit ensures reliable performance in high-vibration industrial environments
• Corrosion-resistant material provides excellent protection against rust and chemical exposure in harsh operating conditions
• Standard hex drive compatibility with 5/16" drive size allows for easy installation and removal with common tools
• Dual temperature resilience with both thread locker and O-ring maintaining performance across wide temperature ranges

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw delivers critical engineering solutions for demanding industrial applications where vibration resistance and sealing integrity are paramount. The combination of Class 3A UNC coarse threads and nylon patch thread locking technology addresses common failure points in machinery, automotive, and heavy equipment by preventing spontaneous loosening under constant vibration. The integrated Buna-N rubber O-ring creates a reliable seal in hydraulic systems, pneumatic equipment, and fluid handling applications, eliminating leaks while withstanding pressures up to 1500 psi. Engineered with 100,000 psi tensile strength and corrosion-resistant 18-8 stainless steel, this fastener maintains structural integrity in harsh environments while the standardized hex socket drive ensures compatibility with existing tooling and maintenance procedures.

Specification Summary & Compliance

This 3/8"-16 UNC socket head cap screw features precision Class 3A thread fit with coarse thread spacing for superior engagement in industrial applications. Manufactured to ASME B18.3 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The fastener maintains dimensional accuracy with 5/16" drive size, 1" length, and standard socket head profile, ensuring interchangeability and reliable performance across industrial systems.