S-96738A065 3/8"-16 x 1 1/4" ASME B18.3 Vibration-Resistant Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• High tensile strength of 100,000 psi ensures reliable performance under extreme mechanical stress.
• Vibration-resistant locking via a nylon patch thread locker, maintaining secure fastening from -70° to 250°F.
• Enhanced sealing capability with a Buna-N rubber O-ring, providing leak-proof performance from -40° to 225°F.
• Precise Class 3A thread fit for smooth assembly and superior engagement in UNC coarse thread applications.
• Durable Rockwell B85 hardness offers excellent wear resistance and long-term fastener integrity.
• Maximum pressure handling up to 1500 psi, suitable for high-pressure industrial systems.

Professional Applications & Engineering Value

This 3/8"-16 UNC Socket Head Cap Screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and fluid leakage. The combination of 18-8 Stainless Steel and a nylon patch thread locker ensures reliable fastening in dynamic environments, while the Buna-N rubber O-ring provides an effective seal against contaminants and pressure variations. Its Class 3A thread fit and coarse thread design facilitate quick installation and disassembly, reducing downtime in maintenance-heavy applications like machinery, automotive, and hydraulic systems. The hex drive allows for high-torque application, making it a versatile choice for engineers seeking durability and compliance in demanding settings.

Specification Summary & Compliance

This socket head cap screw features a 3/8"-16 UNC coarse thread with a Class 3A fit for precise dimensional accuracy. It is manufactured in accordance with ASME B18.3 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for global industrial use.