S-92196A389 1/2"-20 x 2" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 70,000 psi ensures secure fastening under heavy loads and vibration.
• Precision Class 3A thread fit provides tighter tolerances for improved assembly accuracy and reduced risk of loosening.
• 3/8" hex drive and standard socket head allow for easy installation and high torque application with common tools.
• Fine UNF thread (1/2"-20) offers enhanced grip and better adjustment in precision assemblies.
• Fully threaded 2" length ensures maximum engagement and holding power across the entire fastener.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.

Professional Applications & Engineering Value

This socket head cap screw is engineered to address critical challenges in industrial and mechanical assemblies where reliability and precision are paramount. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for applications in marine, chemical processing, and outdoor equipment. The fine UNF thread (1/2"-20) and Class 3A thread fit ensure minimal backlash and superior clamping force, reducing the risk of joint failure in high-vibration environments like machinery, automotive systems, and aerospace components. With a Rockwell B70 hardness and 70,000 psi tensile strength, it withstands extreme mechanical stress, while the 3/8" hex drive facilitates efficient installation in confined spaces, enhancing productivity and reducing downtime.

Specification Summary & Compliance

This fastener adheres to ASME B18.3 specifications, ensuring dimensional accuracy and performance consistency. The thread fit is Class 3A with UNF fine threads (1/2"-20), providing precise engagement. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for industrial use without hazardous substances.