S-97832A365 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 replacement frequency.
• Exceptional alignment and stability provided by the 2" shoulder length, minimizing component misalignment and wear in assemblies.
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness, ensuring reliability under heavy loads.
• Precise, secure fastening through Class 3A thread fit and UNC coarse threads, offering excellent vibration resistance and quick assembly.
• Easy installation and removal with a 5/16" hex drive and knurled head, enhancing grip and reducing tool slippage during maintenance.
• Compliance with industry standards including ASME B18.3, RoHS, and REACH, ensuring safety and environmental responsibility.
• Durable shoulder design with tight tolerances (e.g., shoulder diameter tolerance of -0.004" to -0.002"), providing consistent performance in precision applications.

Professional Applications & Engineering Value

This socket head shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery. Made from 18-8 Stainless Steel, it offers excellent corrosion resistance, making it suitable for applications in moist or chemical-exposed environments like automotive assemblies, conveyor systems, and precision instruments. The 2" shoulder length acts as a precise pivot or spacer, ensuring accurate alignment of moving parts, while the Class 3A thread fit and coarse UNC threads provide robust, vibration-resistant connections. The knurled head and hex drive facilitate easy handling in tight spaces, reducing installation time and improving operational efficiency in industrial fastening scenarios.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNC thread type with a 3/8"-16 size. It meets ASME B18.3 specifications for consistency and reliability, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.