S-93465A113 4-40 x 3/4" Brass Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for harsh environments and electrical applications.
• High tensile strength of 50,000 psi ensures reliable performance under significant mechanical stress.
• Precision Class 3A thread fit guarantees secure, vibration-resistant connections in assembled components.
• Rockwell B55 hardness provides excellent durability and resistance to wear over repeated use.
• Standard hex socket head with 3/32" drive allows for easy, secure installation with common tools, minimizing stripping.
• REACH compliance ensures the material meets strict environmental and safety standards for industrial use.
• 4-40 UNC coarse threads enable quick assembly and disassembly, improving maintenance efficiency.

Professional Applications & Engineering Value

This brass socket head cap screw is engineered to address common industrial challenges such as corrosion, electrical conductivity, and precise assembly requirements. The 4-40 UNC coarse thread and Class 3A fit provide a tight, reliable connection that resists loosening under vibration, making it ideal for machinery, electronics, and automotive applications. Its high tensile strength and Rockwell B55 hardness ensure long-term durability in demanding environments, while the brass material offers inherent resistance to rust and galvanic corrosion. The hex socket drive facilitates easy installation in confined spaces, reducing assembly time and improving workflow efficiency for B2B professionals.

Specification Summary & Compliance

This fastener features a 4-40 UNC coarse thread with a Class 3A precision fit, ensuring tight tolerances for reliable performance. It is fully threaded and right-hand oriented, with a length of 3/4" and a head diameter of 0.183". Manufactured to high standards, it complies with REACH (EC 1907/2006) regulations, confirming its safety for industrial use without hazardous substances.