S-97345A142 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable, heavy-duty performance.
• Precision thread engagement with Class 3A fit and 8-32 UNC coarse threading ensures secure fastening and vibration resistance.
• Enhanced grip and anti-slip handling from the knurled head texture, facilitating easier installation and removal.
• Space-saving and versatile mounting with a standard shoulder fit and 1/4" shoulder length for precise component alignment.
• Broad regulatory compliance including RoHS 3 and REACH, ensuring safety and environmental standards are met for global supply chains.
• Optimized for tool compatibility with a 3/32" hex socket drive, providing efficient torque application and reduced cam-out risk.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision assemblies, such as corrosion in chemical processing or high-stress in machinery. The Class 3A thread fit and UNC coarse threading provide excellent resistance to loosening under vibration, making it ideal for robotics, automotive, and aerospace applications. The knurled head enhances manual handling in tight spaces, while the standard shoulder ensures accurate positioning of moving parts like gears and pulleys. With a Rockwell B79 hardness and 70,000 psi tensile strength, it delivers long-term durability, reducing maintenance costs and downtime in demanding industrial environments.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a precise Class 3A fit for tight tolerances. Dimensions include a 8-32 thread size, 3/16" thread length, and shoulder diameter tolerance of -0.004" to -0.002". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances and suitable for international engineering projects.