S-97832A126 3/8"-16 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing maintenance costs.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads, minimizing the risk of fastener failure.
• Precision Class 3A thread fit guarantees smooth assembly and secure fastening, reducing installation time and improving joint integrity.
• Knurled head design provides enhanced grip for manual adjustments, facilitating easier handling during setup and maintenance.
• Consistent shoulder diameter and length with tight tolerances ensure accurate alignment in precision machinery and automation systems.
• Compliance with ASME B18.3 standards assures quality and interchangeability, streamlining procurement for engineering projects.
• RoHS and REACH compliance supports environmental regulations and safe usage in global markets, enhancing supply chain flexibility.

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered to address critical alignment and durability challenges in demanding applications. The 18-8 stainless steel material offers excellent resistance to corrosion and oxidation, making it suitable for industrial machinery, automation systems, and precision equipment exposed to moisture or chemicals. The 1/2" shoulder diameter and 2-1/8" shoulder length provide a stable bearing surface, reducing wear and ensuring precise component positioning. With a coarse UNC thread and Class 3A fit, it enables quick, secure fastening while maintaining high shear strength. The hex socket drive and knurled head allow for easy installation and adjustments, minimizing downtime in assembly lines. Ideal for applications requiring robust shoulder bolts that withstand vibration and heavy loads, this fastener enhances operational reliability and longevity.

Specification Summary & Compliance

This shoulder screw features a 3/8"-16 UNC thread with Class 3A fit for precise engagement, and a shoulder diameter tolerance of -0.004" to -0.002" for consistent performance. It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.