S-92183A382 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and long-term reliability.
• Precise alignment and reduced wear thanks to the accurately machined shoulder with tight tolerances, ensuring stable component positioning.
• High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength, suitable for heavy-duty applications.
• Superior thread engagement from Class 3A thread fit and UNC coarse threads, providing secure fastening and vibration resistance.
• Easy installation and removal with a knurled socket head and 1/4" hex drive, allowing for efficient assembly even in tight spaces.
• Durable performance backed by Rockwell B55 hardness, maintaining integrity under repeated stress and mechanical loads.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered to address critical challenges in precision machinery and industrial assemblies. The 18-8 stainless steel material offers excellent resistance to corrosion and oxidation, making it ideal for applications in automotive, aerospace, and manufacturing equipment where exposure to moisture or chemicals is common. The Class 3A thread fit and coarse UNC threads ensure reliable fastening in high-vibration environments, reducing the risk of loosening over time. The precisely toleranced shoulder provides a stable bearing surface, minimizing misalignment and wear on moving parts. With a knurled socket head and 1/4" hex drive, installation is streamlined, enhancing productivity in automated or manual assembly lines. This screw delivers consistent performance in demanding settings, from conveyor systems to precision instruments, by combining strength, durability, and compliance with industry standards.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Shoulder dimensions include a diameter of 1/2" with tolerances from -0.004" to -0.002" and length tolerances from -0.002" to 0.002", ensuring exact alignment. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible manufacturing. The construction meets industry benchmarks for mechanical properties, including tensile and shear strength, without additional external certifications specified.