S-8077A728 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• Enhanced durability and wear resistance from the Black Oxide finish, providing added protection against rust and reducing maintenance needs.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure fastening and reducing the risk of cross-threading.
• Secure and non-slip installation thanks to the knurled socket head and 3/32" hex drive, allowing for high-torque application without tool slippage.
• Accurate component alignment facilitated by the standard shoulder fit and consistent shoulder diameter, critical for precision assemblies like bearings and pulleys.
• Compliance with environmental and safety standards including RoHS 3 and REACH, ensuring safe use in regulated industries and global markets.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address common challenges in precision machinery and industrial equipment, such as misalignment and component wear. The 316 Stainless Steel material provides excellent resistance to chemicals and moisture, making it suitable for applications in marine, chemical processing, and food industries. The Black Oxide finish not only enhances corrosion protection but also reduces galling during installation. With its Class 3A thread fit and coarse UNC threads, it ensures quick assembly and reliable performance in high-vibration environments. The knurled socket head and hex drive design allow for efficient torque transmission, minimizing installation time and improving operational efficiency in automated systems and precision instruments.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005", ensuring consistent fit in precision applications. It adheres to UNC thread standards with a Class 3A thread fit for superior thread engagement. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial sectors without hazardous substances.