S-8077A181 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Enhanced durability and wear resistance from the Black Oxide finish, providing a protective layer against abrasion.
• High-strength performance with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliability under heavy loads.
• Precise and secure fastening due to the Class 3A thread fit, minimizing the risk of loosening in critical assemblies.
• Easy installation and removal with the hex socket drive and knurled head, allowing for efficient tool engagement and handling.
• Accurate component alignment from the standard shoulder fit, maintaining part positioning in mechanical applications.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The 316 Stainless Steel material offers exceptional resistance to chemicals and moisture, making it suitable for marine, chemical processing, and outdoor equipment. The Black Oxide finish not only enhances corrosion protection but also reduces galling during installation. With a Class 3A thread fit and coarse UNC thread, it provides reliable engagement in high-vibration environments like machinery, automotive assemblies, and precision instruments. The socket head with hex drive allows for compact design applications where space is limited, ensuring efficient maintenance and assembly in demanding engineering projects.

Specification Summary & Compliance

This shoulder screw features a 6-32 UNC thread with Class 3A fit for precise tolerance, ensuring consistent performance. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005" for accurate alignment. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial use without hazardous substances. Manufactured to high standards, it meets the specified mechanical properties including a hardness of Rockwell B79 and minimum shear strength of 35,000 psi.