S-94731A360 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 performance under heavy loads and stress
• Precision Class 2A thread fit guarantees smooth assembly and secure fastening in demanding applications
• Rockwell B55 hardness provides excellent wear resistance and long-term durability
• External hex drive design allows for easy installation and removal with standard tools
• RoHS 3 and REACH compliance meets strict environmental regulations for safe, sustainable use
• Coarse UNC thread enables quick engagement and reduced cross-threading risk

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to address critical alignment and pivot point requirements in machinery, automation, and assembly fixtures. The 1 5/16" shoulder length provides precise spacing and rotational support, minimizing wear on moving components. With a 3/8"-16 UNC coarse thread and Class 2A fit, it ensures rapid installation and vibration resistance in high-cycle applications. The external hex head facilitates secure torque application, while the material's inherent corrosion resistance extends service life in demanding conditions such as packaging equipment, conveyor systems, and robotic arms, reducing maintenance downtime and replacement costs.

Specification Summary & Compliance

This shoulder screw features a 3/8"-16 UNC thread with Class 2A fit and coarse spacing, ensuring dimensional accuracy per inch standards. The shoulder diameter is 1/2" with a tolerance of -0.004" to 0", and shoulder length is 1 5/16" with a tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for regulated industrial and international markets.