S-90337A316 6-32 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.
• Enhanced assembly precision through Class 2A thread fit and precise shoulder diameter, providing consistent alignment and reduced vibration in mounted components.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, offering reliable performance under heavy loads and repeated use.
• Secure, low-profile fastening featuring a smooth, low socket head that allows for flush installation in space-constrained applications.
• Optimized for efficient installation with a 3/32" hex drive and right-hand UNC coarse thread, enabling quick assembly and disassembly.
• Dimensional stability due to tight shoulder length and diameter tolerances, ensuring accurate positioning of parts in precision machinery.
• Compliance with global standards including RoHS 3 and REACH, making it suitable for use in regulated industries and international markets.

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it ideal for applications in manufacturing equipment, automotive components, and electronic enclosures. The 5/8" shoulder length and precise shoulder diameter act as a reliable pivot or spacer, minimizing part movement and wear. Its low-profile socket head and coarse UNC thread facilitate secure, tool-accessible fastening in tight spaces, reducing assembly time and improving maintenance efficiency. This screw’s robust tensile strength and hardness ensure it withstands dynamic loads, enhancing the longevity and performance of precision mechanisms.

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 shoulder length tolerance of 0" to 0.002" for precise component alignment. Manufactured in accordance with UNC coarse thread specifications, it ensures reliable fastening in inch system applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial uses.