S-97345A468 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments including chemical and marine applications
• Exceptional mechanical strength with 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance under high stress conditions
• Precise alignment and spacing enabled by the 5/16" shoulder diameter with tight tolerances for accurate component positioning
• Secure installation and removal with hex socket drive and knurled head texture for improved grip during torque application
• Reliable thread engagement with Class 3A thread fit and UNC coarse threads ensuring vibration resistance and consistent fastening
• Industry compliance assurance meeting ASME B18.3 standards plus RoHS 3 and REACH environmental regulations
• Optimized for repetitive use with Rockwell B79 hardness providing excellent wear resistance in high-cycle applications

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers critical engineering solutions across industrial sectors where precision alignment and corrosion resistance are paramount. The 5/16" shoulder diameter with controlled tolerances provides exact bearing surfaces for rotating components in machinery, while the 10-24 UNC coarse thread with Class 3A fit ensures secure fastening in vibration-prone environments. The hex socket drive combined with the knurled head enables efficient installation in confined spaces common in assembly fixtures, conveyor systems, and precision instruments. With 70,000 psi tensile strength and exceptional corrosion resistance, these shoulder screws maintain dimensional stability in demanding applications including food processing equipment, chemical handling systems, and marine hardware where environmental factors would compromise lesser fasteners.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit for superior thread engagement. The shoulder features precise dimensional control with diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for regulated industries. The UNC coarse thread profile follows standardized threading specifications for consistent performance across applications.