S-97832A381 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
• Precise alignment and pivot function enabled by the 5/8" shoulder with controlled diameter and length tolerances.
• Secure, high-torque installation using the 3/32" hex socket drive and knurled head for improved grip.
• Reliable thread engagement with Class 3A fit and 8-32 UNC coarse thread for vibration resistance and easy assembly.
• Compliance with global standards including RoHS 3 and REACH, ensuring environmental and safety regulations are met.
• Consistent performance backed by Rockwell B55 hardness for durability and wear resistance.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical alignment and rotational movement challenges in industrial assemblies. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for machinery, automotive, and electronic equipment exposed to moisture or chemicals. The 5/8" shoulder length acts as a precise spacer or pivot, reducing wear on moving parts and maintaining component positioning. With a Class 3A thread fit and coarse UNC thread, it ensures quick, secure fastening in high-vibration environments, while the hex socket drive allows for efficient installation in confined spaces. This shoulder screw is ideal for applications requiring reliable, repeatable performance in precision engineering and automated systems.

Specification Summary & Compliance

This shoulder screw features a Class 3A thread fit with 8-32 UNC coarse thread, ensuring tight tolerances and reliable performance. The shoulder diameter is 7/32" with a tolerance of -0.004" to -0.002", and the shoulder length is 5/8" with a tolerance of -0.005" to 0.005" for precise alignment. Manufactured in accordance with standard industrial specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated markets and environmentally conscious applications.