S-94035A185 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Superior dimensional stability with precise shoulder diameter and length tolerances (±0.002"), enabling accurate alignment in assemblies.
• High tensile strength (70,000 psi) and Rockwell B55 hardness for reliable performance under mechanical stress and repeated use.
• Fine 10-32 UNF thread with Class 2A fit provides secure, vibration-resistant fastening in precision applications.
• Hex socket drive design allows for easy installation and removal with standard tools, reducing assembly time.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global markets.
• Smooth head texture and standard socket profile minimize galling and provide consistent torque application.

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, offers excellent resistance to corrosion and wear, making it ideal for environments exposed to moisture or chemicals. The 10-32 UNF fine thread and Class 2A fit ensure tight, secure connections that resist loosening under vibration, while the precisely machined shoulder provides stable bearing surfaces for rotating components like gears and pulleys. Its hex socket drive facilitates efficient installation in confined spaces, reducing downtime in assembly lines. These features make it a reliable choice for applications demanding high dimensional accuracy and long-term performance, such as in robotics, medical devices, and aerospace assemblies.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread fit standards for consistent engagement and features a shoulder diameter tolerance of -0.001" to 0" and length tolerance of 0" to 0.002" for precise assembly. Manufactured from 18-8 stainless steel with a passivated finish, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring it is free from hazardous substances and suitable for regulated industries.