S-97345A516 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 extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise alignment and spacing ensured by the 3 1/2" shoulder with tight length tolerances, reducing assembly errors and improving component fit.
• High-accuracy Class 3A thread fit provides secure fastening with minimal backlash, enhancing joint integrity in precision assemblies.
• Easy installation and removal with a hex socket drive and knurled head, allowing for better grip and torque application without slipping.
• Broad compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance for global supply chains.
• Durable coarse UNC threading resists loosening from vibrations, making it suitable for dynamic machinery and equipment.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to address critical challenges in industrial settings, such as misalignment and corrosion-induced failure. The 3 1/2" shoulder length with precise tolerances provides a stable pivot or spacer in assemblies, reducing wear on connected parts. Its Class 3A UNC coarse thread and Rockwell B79 hardness ensure consistent performance in high-vibration applications, from machinery mounts to automation systems. The hex socket drive and knurled head facilitate quick maintenance, while the right-hand thread design aligns with standard installation practices, streamlining production workflows and minimizing downtime.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC coarse thread with Class 3A fit for high precision, and a shoulder diameter of 1/4" with tolerances from -0.004" to -0.002". The shoulder length is 3 1/2" with a tolerance of -0.005" to 0.005". It complies with ASME B18.3 specifications for dimensional accuracy, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.