S-97832A156 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
• High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength, ensuring reliable load-bearing in demanding applications.
• Precise Class 3A thread fit for secure, vibration-resistant assemblies and reduced risk of loosening under dynamic loads.
• Knurled socket head with hex drive for enhanced grip and easy installation, minimizing tool slippage and assembly time.
• Accurate shoulder dimensions (1/4" diameter, 1-5/8" length) with tight tolerances, providing stable alignment and smooth rotation for moving parts.
• Compliance with ASME B18.3 standards, ensuring interchangeability and reliability in mechanical systems.
• RoHS 3 and REACH compliant for environmentally safe use in global markets, meeting strict regulatory requirements.

Professional Applications & Engineering Value

This 10-24 UNC shoulder screw is engineered to address critical alignment and durability challenges in industrial machinery. The 18-8 Stainless Steel material offers excellent corrosion resistance, making it suitable for applications in humid or chemically aggressive environments, such as food processing equipment or outdoor machinery. The coarse UNC thread and Class 3A fit provide secure fastening with minimal backlash, essential for precision assemblies like rotating shafts, bearings, and linkages. The knurled socket head enhances torque application during installation, reducing the risk of stripping and improving maintenance efficiency. With a robust shoulder design and high tensile strength, this screw ensures long-term performance in mechanical systems requiring exact component positioning and reliable load support.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC coarse thread with Class 3A thread fit for high precision, along with a shoulder diameter of 1/4" (tolerance: -0.004" to -0.002") and shoulder length of 1-5/8" (tolerance: -0.005" to 0.005"). It meets ASME B18.3 specifications for dimensional consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.