S-97345A345 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precision Class 3A thread fit ensures tight, secure fastening with minimal backlash in demanding assemblies.
• Secure and efficient installation with a knurled socket head and 3/32" hex drive, providing enhanced grip and reducing tool slippage.
• Robust shoulder design with a 5/16" length and controlled diameter tolerances for precise component location and pivot points.
• Broad compatibility with 8-32 UNC coarse threading, a common standard for easy sourcing and replacement in various machinery.
• Compliance with strict regulations including RoHS 3 and REACH, ensuring safety and environmental responsibility in global markets.

Professional Applications & Engineering Value

This 316 Stainless Steel Shoulder Screw is engineered to address critical challenges in precision machinery and industrial equipment. The UNC coarse thread and Class 3A fit provide a secure, vibration-resistant connection, reducing maintenance needs in dynamic systems. Its high tensile strength and corrosion-resistant material make it ideal for applications in chemical processing, marine environments, and food machinery, where durability and hygiene are paramount. The knurled socket head enhances torque application, preventing stripping during assembly. Commonly used in pivots, spacers, and rotating assemblies, this screw ensures precise alignment and reliable performance, minimizing downtime and extending the lifecycle of complex mechanical systems.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A precision fit for tight tolerances. Key dimensions include a thread diameter of 0.164", shoulder diameter of 7/32" (tolerance: -0.004" to -0.002"), and shoulder length of 5/16" (tolerance: -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 regulated industrial applications.