S-94731A540 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity
• Precision Class 2A thread fit provides smooth assembly and consistent engagement in UNC coarse thread applications
• External hex drive design allows for easy installation and removal with standard tools
• Rockwell B55 hardness rating delivers excellent wear resistance and long-term durability
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory acceptance
• Right-hand coarse threading offers quick installation and secure fastening in various materials

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw delivers exceptional engineering value in applications requiring precise alignment and rotational control. The 18-8 stainless steel construction provides excellent corrosion resistance, making it suitable for machinery, automotive assemblies, and food processing equipment where moisture or chemicals are present. The external hex drive and coarse thread design enable rapid installation while maintaining high tensile strength for demanding mechanical systems. The smooth shoulder diameter acts as a pivot or bearing surface, reducing wear on connected components and ensuring accurate positioning in rotating assemblies, conveyor systems, and precision instruments.

Specification Summary & Compliance

This shoulder screw features Class 2A thread fit per UNC standards with precise shoulder diameter tolerance of -0.004" to 0" and shoulder length tolerance of -0.005" to 0.005". Manufactured from 18-8 stainless steel with Rockwell B55 hardness, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental safety and regulatory adherence for industrial fastener applications.