S-97345A199 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Superior mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise and secure assembly ensured by the Class 3A thread fit, providing tighter tolerances and reduced risk of loosening.
• Easy installation and removal with the 5/64" hex socket drive and knurled head, allowing for better grip and torque application.
• Accurate component alignment facilitated by the standard shoulder fit and controlled diameter/length tolerances.
• Broad compatibility with UNC coarse 2-56 threads and right-hand direction, suitable for a wide range of industrial applications.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability in manufacturing processes.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to address critical challenges in precision assembly and machinery. The UNC coarse thread with Class 3A fit ensures secure fastening in applications where vibration resistance is paramount, such as in robotics, automotive systems, and electronic enclosures. The knurled head and hex socket drive provide enhanced grip and torque transmission, reducing the risk of tool slippage and damage during installation. Made from corrosion-resistant 316 stainless steel, it withstands exposure to moisture, chemicals, and extreme temperatures, making it ideal for marine, chemical processing, and outdoor equipment. The precise shoulder diameter and length allow for accurate positioning of components like gears, pulleys, and bearings, minimizing misalignment and wear. This screw delivers reliable performance in demanding environments, ensuring long-term durability and reduced maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for high precision. Key dimensional tolerances include a shoulder diameter of -0.004" to -0.002" and shoulder length of -0.005" to 0.005". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global regulatory requirements.