S-94035A173 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction and a passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength with a tensile strength of 70,000 psi and Rockwell B55 hardness for high-stress applications without failure.
• Precise alignment and smooth rotation enabled by the 2" shoulder with a controlled diameter tolerance, reducing wear on mating components.
• Secure and reliable fastening from the UNC coarse 8-32 thread with Class 2A fit, providing consistent clamping force and vibration resistance.
• Easy installation in confined spaces using the hex socket drive, allowing for high torque application without slipping.
• Compliance with major environmental regulations including RoHS 3 and REACH, making it suitable for global industrial supply chains.
• Right-hand thread design for standard assembly processes, ensuring compatibility with common tools and procedures.

Professional Applications & Engineering Value

This stainless steel shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 2" shoulder length and precise shoulder diameter provide a stable pivot or bearing surface, minimizing misalignment and component wear in machinery, automation systems, and precision instruments. Made from 18-8 Stainless Steel with a passivated finish, it resists corrosion from moisture, chemicals, and outdoor exposure, extending service life. The UNC coarse threads and Class 2A thread fit ensure quick assembly and reliable performance under dynamic loads, while the hex socket drive allows for efficient installation in tight spaces. Ideal for use in pivots, guides, and rotating assemblies, this screw delivers consistent performance where precision and strength are paramount.

Specification Summary & Compliance

This shoulder screw features a 3/16" shoulder diameter with a tolerance of -0.001" to 0" and a 2" shoulder length with a tolerance of 0" to 0.002" for precise fit. Thread specifications include 8-32 UNC coarse threads, right-hand direction, and Class 2A thread fit for standard compatibility and ease of assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for various industrial and electronic applications.