S-97345A325 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life in industrial applications
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads
• Precise Class 3A thread fit ensures tight tolerances and secure fastening, reducing the risk of loosening in vibration-prone assemblies
• Knurled hex socket head provides enhanced grip and slip resistance during installation, facilitating efficient tool engagement with a 3/32" drive
• Coarse UNC threading enables quick assembly and disassembly, saving time in maintenance and production cycles
• Rockwell B79 hardness delivers excellent wear resistance, maintaining dimensional stability and thread integrity over repeated use
• Compliance with RoHS 3 and REACH standards ensures environmental safety and regulatory adherence for global supply chains

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and marine equipment where corrosion and mechanical stress are prevalent. The UNC coarse thread and Class 3A fit provide secure, repeatable fastening in assemblies requiring exact alignment, such as rotating shafts and bearing mounts. The knurled hex socket head enhances torque transmission, reducing tool slippage and installation errors. With a shoulder diameter tolerance of -0.004" to -0.002" and high tensile strength, it minimizes play and withstands dynamic loads, making it ideal for applications in robotics, aerospace, and chemical processing industries that demand reliability and long-term performance.

Specification Summary & Compliance

This shoulder screw features an 8-32 UNC thread with Class 3A fit for precise dimensional accuracy, alongside a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufactured in accordance with industry standards for inch system fasteners, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements.