S-97832A238 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under high-stress conditions.
• Precise Class 3A thread fit for secure, vibration-resistant assemblies and consistent mating with tapped holes.
• Secure and efficient installation via the 5/64" hex drive and knurled socket head, providing excellent torque transmission and grip.
• Versatile shoulder design with a 3/32" diameter and 9/32" length, offering precise alignment and acting as a reliable pivot or spacer.
• Broad compatibility with UNC coarse 2-56 threads, facilitating easy assembly and interchangeability in various machinery.
• Environmental compliance assurance with RoHS 3 and REACH standards, meeting stringent regulatory requirements for safe usage.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Shoulder Screw is engineered to address critical challenges in precision assembly and motion control systems. Its UNC coarse thread and Class 3A fit ensure minimal backlash and secure fastening in applications like rotating shafts, linkages, and bearing mounts, reducing wear and maintenance needs. The knurled socket head with a 5/64" hex drive allows for high-torque installation without slippage, enhancing assembly efficiency. Made from durable stainless steel, it resists corrosion in demanding environments such as automotive, aerospace, and industrial machinery, providing long-term reliability and reducing downtime. The shoulder acts as a precise datum for components, ensuring accurate alignment and smooth operation in high-performance mechanisms.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for tight tolerances, ensuring dimensional accuracy in thread diameter (0.086") and spacing. The shoulder features a diameter of 3/32" with a tolerance of -0.004" to -0.002" and a length of 9/32" with a tolerance of -0.005" to 0.005", supporting precise engineering applications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental responsibility for industrial use.