S-94035A161 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh industrial environments.
• Precise alignment and smooth rotation due to the accurately machined 3/16" shoulder diameter with a tight tolerance of -0.001" to 0".
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, providing dependable performance under load.
• Secure and efficient installation using the standard hex socket drive (3/32"), allowing for high torque application without slippage.
• Reliable thread engagement with UNC coarse threads and Class 2A fit, ensuring consistent fastening in various applications.
• Environmental and regulatory compliance with RoHS 3 and REACH standards, making it suitable for global industrial use.
• Versatile right-hand thread design compatible with standard UNC 8-32 components, simplifying assembly processes.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and durability challenges in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and wear, extending service life in demanding conditions. The 3/16" shoulder diameter with precise tolerances ensures minimal play, facilitating accurate positioning of moving parts such as gears, pulleys, and linkages. The UNC coarse threads and Class 2A fit offer reliable fastening, while the socket head design allows for compact installation in confined spaces. Ideal for applications requiring repeated adjustments and high tensile strength, this screw enhances operational efficiency and reduces maintenance downtime.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent performance. Key dimensions include a shoulder diameter of 3/16" (tolerance: -0.001" to 0") and shoulder length of 7/32" (tolerance: 0" to 0.002"), ensuring precise assembly. It is manufactured from 18-8 stainless steel with a tensile strength of 70,000 psi and Rockwell B55 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial use.