S-91273A128 10-24 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• Precise component alignment enabled by the 5/8" shoulder with tight tolerances, reducing assembly time and improving mechanical accuracy
• High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable load-bearing in demanding applications
• Secure and efficient installation using the hex socket drive and knurled head, providing excellent grip and preventing tool slippage
• Consistent thread engagement with UNC coarse threads and Class 2A fit, ensuring reliable fastening and vibration resistance
• Environmental and regulatory compliance with RoHS 3 and REACH, making it suitable for global supply chains and sensitive industries
• Durable material hardness rated at Rockwell B55, offering excellent wear resistance and long-term dimensional stability

Professional Applications & Engineering Value

This 10-24 UNC shoulder screw is engineered to address critical alignment and fastening challenges in precision assemblies. The 18-8 Stainless Steel material provides exceptional corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor conditions. The 5/8" shoulder length with controlled tolerances allows for precise positioning of components such as gears, pulleys, and linkages, minimizing backlash and misalignment. The hex socket drive and knurled head texture facilitate secure torque application, reducing the risk of damage during installation. Commonly used in machinery, automotive, and electronic enclosures, this shoulder screw ensures reliable performance where high tensile strength and vibration resistance are paramount, supported by its coarse UNC threads for quick assembly in industrial settings.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 5/8" with a tolerance of -0.005" to 0.005", ensuring precise dimensional control. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for regulated industries and environmentally conscious applications.