S-8077A242 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 tensile strength of 70,000 psi ensures reliable performance under heavy loads, minimizing the risk of fastener failure.
• Precise Class 3A thread fit offers excellent engagement and vibration resistance, crucial for assemblies requiring high accuracy.
• Easy installation and removal with the hex socket drive and knurled head, allowing for secure tool grip and efficient assembly in tight spaces.
• Robust shear strength of 35,000 psi provides added security in applications subject to lateral forces, enhancing overall joint integrity.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global standards for hazardous substance restrictions.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and marine equipment where corrosion resistance and high strength are paramount. The 316 Stainless Steel material, combined with a Black Oxide finish, effectively counters corrosive elements, reducing downtime in demanding environments like chemical processing or outdoor installations. The Class 3A thread fit and coarse UNC thread ensure secure fastening with minimal loosening from vibrations, while the socket head design with a hex drive facilitates easy access in confined spaces. Its shoulder diameter and length tolerances provide consistent alignment, making it ideal for pivoting mechanisms, bearing mounts, and other industrial applications requiring precise component positioning and long-term reliability.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a thread size of 8-32, head diameter of 5/16", and shoulder diameter tolerance of -0.004" to -0.002". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from restricted hazardous substances. Manufactured to deliver consistent performance with a tensile strength of 70,000 psi and shear strength of 35,000 psi, it is suitable for rigorous engineering applications.