S-97345A453 10-24 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 Class 3A thread fit ensuring secure fastening with minimal vibration loosening
• Exceptional mechanical strength delivering 70,000 psi tensile strength and 35,000 psi shear strength for heavy-duty applications
• Enhanced grip and tool engagement with knurled socket head and hex drive design for secure installation
• Optimized shoulder dimensions with 1/4" diameter and 13/32" length providing stable bearing surfaces for rotating components
• Industry-standard compatibility through UNC coarse threading and ASME B18.3 specifications for seamless integration
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and precision alignment are critical. The UNC coarse threading with Class 3A fit ensures reliable fastening in high-vibration environments common in machinery, automation systems, and precision equipment. The knurled socket head with hex drive provides superior torque transmission during installation, while the precisely machined shoulder serves as an accurate locating surface for bearings, gears, and rotating assemblies. With 70,000 psi tensile strength and 35,000 psi shear strength, this shoulder screw maintains structural integrity under significant mechanical stress, making it ideal for aerospace, marine, and chemical processing equipment where failure is not an option.

Specification Summary & Compliance

This precision shoulder screw features a 10-24 UNC thread with Class 3A fit tolerance, ensuring superior thread engagement and vibration resistance. The shoulder maintains tight dimensional control with diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Manufactured to ASME B18.3 specifications, the screw demonstrates Rockwell B79 hardness for optimal wear resistance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, making it suitable for global industrial applications requiring strict regulatory adherence.