S-96006A211 4-40 x 5/16" 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during installation
• Rockwell B70 hardness offers exceptional durability and wear resistance for long service life
• 3/32" hex drive socket head allows for secure tool engagement and high torque application in confined spaces
• Full compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
• Coarse UNC thread design enables quick assembly and disassembly while maintaining strong holding power

Professional Applications & Engineering Value

These Black Oxide 18-8 Stainless Steel Socket Head Cap Screws deliver exceptional engineering value across multiple industrial sectors. The combination of 4-40 UNC coarse threads and Class 3A precision thread fit addresses critical assembly challenges by providing reliable fastening in applications subject to vibration and thermal cycling. The 3/32" hex drive design enables efficient installation in tight spaces commonly encountered in machinery, automotive components, and electronic enclosures. The Black Oxide surface treatment enhances corrosion resistance while maintaining the material's inherent strength, making these fasteners ideal for outdoor equipment, marine applications, and manufacturing environments where moisture and chemicals are present. The fully threaded configuration ensures maximum grip length and uniform stress distribution, preventing loosening under dynamic loads.

Specification Summary & Compliance

This socket head cap screw features precise 4-40 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufacturing adheres to strict quality standards with Rockwell B70 hardness and 70,000 psi tensile strength verification. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. The inch system measurement and standardized socket head profile guarantee interchangeability and reliable performance in industrial applications.