S-8077A246 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 a protective layer against abrasion and oxidation.
• 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 vibration resistance.
• Secure and non-slip installation thanks to the knurled head texture and 3/32" hex drive, allowing for firm tool grip and easy torque application.
• Accurate component alignment facilitated by the standard shoulder fit and controlled diameter/length tolerances, reducing assembly errors.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This 8-32 UNC thread shoulder screw is engineered to address critical challenges in precision assembly and machinery. Constructed from 316 Stainless Steel, it provides exceptional resistance to corrosion and chemicals, making it suitable for applications in marine, chemical processing, and food equipment where moisture and aggressive substances are present. The Black Oxide finish enhances surface hardness and reduces galling, while the Class 3A thread fit and coarse UNC threading ensure quick, reliable fastening with minimal risk of cross-threading. The knurled socket head and hex drive design allow for efficient installation in confined spaces, reducing downtime. Ideal for pivots, axles, and spacers in industrial machinery, this screw delivers consistent performance, maintaining alignment and structural integrity under high-stress conditions, thereby minimizing maintenance needs and enhancing operational reliability.

Specification Summary & Compliance

This shoulder screw features precise dimensions including a thread size of 8-32 UNC with a Class 3A fit for tight tolerances, a shoulder diameter of 7/32" (tolerance: -0.004" to -0.002"), and a shoulder length of 5/8" (tolerance: -0.005" to 0.005"). It adheres to standard manufacturing practices for socket head shoulder screws and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.