S-93705A622 3/8"-16 x 3/4" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch thread locker that maintains secure fastening from -70°F to 250°F, preventing loosening in high-stress environments
• Superior corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions
• Precise thread engagement with Class 3A fit UNC coarse threads, providing excellent dimensional accuracy and reliable assembly performance
• High strength-to-weight ratio delivering 70,000 psi tensile strength and Rockwell B70 hardness for demanding mechanical applications
• Optimized drive efficiency through hex socket head design with 5/16" drive size, enabling high torque application in confined spaces
• Full thread coverage along the entire 3/4" length, ensuring maximum grip strength and uniform load distribution
• Regulatory compliance assurance meeting ASME B18.3 specifications while being RoHS 3 and REACH compliant for global industrial use

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw with nylon patch thread locker addresses critical vibration-induced failure points in industrial machinery, automotive assemblies, and precision equipment. The Class 3A UNC coarse threads provide superior engagement in high-vibration environments where maintaining clamp load is essential. The combination of 70,000 psi tensile strength and temperature-resistant locking patch (-70° to 250°F) ensures reliable performance in thermal cycling applications. Engineered for heavy-duty industrial fastening, this fully threaded screw delivers consistent performance in machine tools, conveyor systems, and structural frameworks where vibration resistance and corrosion protection are paramount.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit precision, this 3/8"-16 UNC x 3/4" socket head cap screw maintains dimensional accuracy throughout its fully threaded design. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. With coarse thread spacing and right-hand thread direction, this fastener meets rigorous industrial standards for reliability and performance consistency.