S-90337A444 10-32 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 environments.
• Exceptional strength and durability provided by 70,000 psi tensile strength and Rockwell B55 hardness, resisting deformation under heavy loads.
• Precise alignment and smooth rotation due to the exact 1" shoulder length with tight tolerances, minimizing wear in pivoting applications.
• Secure, fine-thread engagement with the 10-32 UNF Class 2A thread fit, offering vibration resistance and reliable fastening.
• Low-profile, compact design with a smooth socket head and hex drive, allowing for easy installation in space-restricted areas.
• Consistent performance and compliance meeting RoHS 3 and REACH standards, ensuring safety and environmental responsibility.
• Versatile industrial use supported by the right-hand thread and precise shoulder diameter, ideal for machinery and assembly lines.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address common industrial challenges such as misalignment and component wear. Made from 18-8 stainless steel with a passivated finish, it resists rust and chemical exposure, extending service life in demanding settings like automation equipment and precision instruments. The 10-32 UNF fine thread and Class 2A fit ensure tight, vibration-resistant connections, while the accurately machined 1" shoulder length with minimal tolerances provides stable pivoting and alignment in assemblies. Its low-profile socket head and hex drive facilitate easy installation with standard tools, reducing assembly time and improving efficiency in industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to UNF thread standards with a Class 2A thread fit for precise engagement, and features a shoulder diameter of 1/4" with tolerances from -0.001" to 0", and shoulder length of 1" with tolerances of 0" to 0.002" for high accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met in manufacturing and usage.