S-97345A848 1/2"-13 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for reliable performance in harsh industrial environments
• Precise component alignment through the 6½" shoulder length with tight tolerances for stable mechanical assemblies
• High-strength fastening capability with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Secure installation and removal with hex socket drive and knurled head for improved grip during torque application
• Consistent thread engagement through Class 3A thread fit ensuring reliable performance in precision assemblies
• Industry-standard compatibility with UNC coarse threading for easy integration with existing equipment and components
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use across various industries

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers exceptional engineering value in precision mechanical systems where alignment accuracy and corrosion resistance are critical. The 6½" shoulder length with controlled tolerances provides stable bearing surfaces for rotating components, eliminating the need for additional spacers in industrial machinery, automation equipment, and precision instruments. The Class 3A thread fit ensures consistent clamping force in UNC threaded applications, while the hex socket drive with knurled head facilitates secure installation in confined spaces. The combination of 70,000 psi tensile strength and 316 stainless steel material makes this shoulder screw ideal for applications exposed to corrosive environments while maintaining structural integrity under significant mechanical stress.

Specification Summary & Compliance

This precision shoulder screw features 1/2"-13 UNC coarse threading with Class 3A thread fit for superior dimensional accuracy. The shoulder diameter maintains tight tolerances (-0.004" to -0.002") while the shoulder length is controlled within -0.005" to 0.005" specifications. Manufactured in compliance with ASME B18.3 standards, this component meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for various industrial applications requiring certified industrial fasteners.