S-94731A590 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.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress.
• Precision Class 2A thread fit guarantees smooth assembly and secure fastening in UNC 3/8"-16 applications.
• Durable Rockwell B55 hardness provides excellent wear resistance and long service life.
• Generous 2-1/2" shoulder length offers stable bearing surfaces for pivoting or locating components.
• External hex drive design allows for easy installation and removal with standard tools.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence.

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered from 18-8 Stainless Steel to address common industrial challenges such as corrosion, mechanical stress, and assembly precision. The coarse thread and Class 2A fit facilitate quick, reliable fastening in machinery, automotive, and conveyor systems, reducing downtime. Its 2-1/2" shoulder length provides a precise pivot point or spacer, minimizing misalignment in rotating assemblies. With a tensile strength of 70,000 psi and Rockwell B55 hardness, it withstands repetitive motion and high-load conditions, making it a durable choice for heavy-duty shoulder fasteners in demanding applications.

Specification Summary & Compliance

This shoulder screw features UNC 3/8"-16 coarse threads with a Class 2A thread fit for standard tolerance, ensuring consistent performance. Dimensions include a shoulder diameter of 1/2" with a tolerance of -0.004" to 0" and shoulder length of 2-1/2" with a tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for safe, industrial use.