S-97345A165 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 and outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in high-stress assemblies.
• Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in demanding mechanical systems.
• Enhanced grip and anti-slip handling from the knurled socket head, facilitating easier installation and removal with standard hex tools.
• Accurate shoulder positioning with a 1/4" diameter and controlled tolerances for consistent alignment of mounted components.
• Broad regulatory compliance including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards are met.
• Optimized for coarse UNC threading providing quick assembly and reduced cross-threading risks in high-vibration settings.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and corrosive environments. The 10-24 UNC coarse thread and Class 3A fit deliver secure, repeatable fastening, minimizing loosening under dynamic loads. Its knurled socket head enhances tool engagement, reducing installation time and improving operator safety. The 1/4" shoulder diameter with tight tolerances ensures exact component alignment, vital for assemblies requiring precise axial positioning, such as in bearings, pulleys, and linkages. Made from corrosion-resistant 316 stainless steel, it withstands exposure to chemicals, moisture, and extreme temperatures, extending service life in industrial, marine, and food processing applications while complying with ASME B18.3 and environmental regulations.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC coarse thread with Class 3A thread fit for high precision. Shoulder dimensions include a diameter of 1/4" (tolerance: -0.004" to -0.002") and length of 9/16" (tolerance: -0.005" to 0.005"). It meets ASME B18.3 specifications for dimensional consistency and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.