S-90337A173 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
• Precise alignment and reduced wear due to the precisely toleranced shoulder diameter and length for stable component positioning.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under load.
• Easy installation and space-saving design with a low-profile socket head and hex drive for efficient assembly in confined spaces.
• Consistent thread engagement with Class 2A thread fit and coarse UNC threads for quick, secure fastening.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, ensuring safe use in global markets.
• Durable, smooth head texture that minimizes galling and allows for clean, professional appearances in finished products.

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and oxidation, making it suitable for applications in machinery, electronics, and automotive systems where environmental factors are a concern. The precise shoulder fit with tight tolerances ensures accurate component positioning, reducing vibration and wear in dynamic operations. Its low-profile socket head and hex drive facilitate easy installation in tight spaces, while the coarse UNC thread and Class 2A fit enable quick, reliable fastening. Ideal for use in jigs, fixtures, and rotating assemblies, this shoulder screw delivers long-term reliability and simplifies maintenance in demanding industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement. Key dimensional tolerances include a shoulder diameter of 5/32" with a tolerance of -0.001" to 0" and a shoulder length of 1/4" with a tolerance of 0" to 0.002", ensuring 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, supporting safe and sustainable industrial use.