S-97345A383 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for high-stress applications
• Precise Class 3A thread fit ensures reliable engagement and vibration resistance in assembled components
• Secure and efficient installation with knurled socket head and 3/32" hex drive preventing tool slippage
• Accurate shoulder positioning with controlled diameter and length tolerances for consistent alignment
• Durable performance backed by Rockwell B79 hardness for long-term wear resistance
• Global compliance assurance meeting RoHS 3 and REACH regulations for safe industrial use

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with 8-32 UNC coarse threads and Class 3A precision fit is engineered to address critical alignment and durability challenges in industrial machinery, automation systems, and precision instruments. The knurled socket head with 3/32" hex drive ensures secure torque transmission, reducing installation errors and maintenance downtime. Its high tensile and shear strength provides reliable performance under dynamic loads, while the corrosion-resistant material suits applications in marine, chemical processing, and food equipment. The precisely machined shoulder maintains component spacing and rotational stability, making it ideal for pivots, guides, and bearing mounts where dimensional accuracy is paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for tight tolerances. Shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards for industrial components.