S-92196A107 4-40 x 5/16" 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 industrial environments and reducing maintenance costs
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress applications
• Precise and secure fastening ensured by Class 3A thread fit and UNC coarse threads, minimizing the risk of loosening in vibrating machinery
• Efficient installation and removal with the 3/32" hex drive and standard socket head profile, allowing for high torque application in confined spaces
• Full thread engagement along the entire 5/16" length provides maximum grip and uniform load distribution
• Regulatory compliance and reliability meeting ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, supporting sustainable procurement policies

Professional Applications & Engineering Value

This 4-40 UNC thread socket head cap screw is engineered to address critical fastening challenges in precision machinery, automation systems, and electronic enclosures. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, extending service life in demanding conditions. Its fully threaded design and Class 3A thread fit ensure consistent clamping force and vibration resistance, crucial for maintaining assembly integrity. The 3/32" hex drive allows for efficient torque transmission, reducing installation time and tool wear. Ideal for OEM components and MRO applications, these screws deliver reliable performance where dimensional accuracy and ASME B18.3 compliance are paramount.

Specification Summary & Compliance

Manufactured to ASME B18.3 standards with precise Class 3A thread fit and UNC coarse threads for consistent performance. The screw features a right-hand thread direction and is fully threaded with a length of 5/16". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global industrial use.