S-90969A160 10-24 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength – With 140,000 psi tensile strength, this shoulder screw ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Precision Class 3A Thread Fit – Offers tighter tolerances for superior thread engagement, minimizing backlash and improving assembly accuracy in precision machinery.
• Durable Alloy Steel Construction – Provides excellent wear resistance and longevity, ideal for repeated use in industrial environments without compromising structural integrity.
• Corrosion-Resistant Black Oxide Finish – Enhances surface protection against rust and oxidation, extending service life in humid or corrosive operating conditions.
• Ultra-Low Socket Head with Knurled Texture – Delivers improved grip and easier installation in confined spaces, reducing tool slippage and assembly time.
• RoHS 3 & REACH Compliance – Meets international environmental and safety standards, ensuring suitability for global supply chains and regulated industries.
• Coarse UNC Threads – Facilitates quick and secure fastening, reducing cross-threading risks and enhancing efficiency in high-volume production lines.

Professional Applications & Engineering Value

Engineered for precision alignment and load-bearing roles, this 10-24 UNC shoulder screw excels in applications requiring exact shoulder diameter and length tolerances, such as in rotating assemblies, jigs, and fixtures. The alloy steel material, combined with Rockwell C30 hardness, ensures consistent performance under dynamic loads, preventing deformation in high-vibration environments. The black oxide finish adds a layer of corrosion resistance, critical for machinery exposed to coolants or outdoor elements. Its ultra-low socket head with knurling allows secure tool engagement even in tight spaces, addressing common installation challenges in automated equipment and CNC systems. By integrating Class 3A thread fit and coarse threads, it minimizes assembly errors and maintenance downtime, making it a trusted choice for OEMs and MRO professionals seeking durable, compliant fasteners.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Key dimensional tolerances include shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety compliance for industrial and export use.