S-97832A241 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise alignment and smooth rotation ensured by the standard shoulder fit with tight diameter and length tolerances
• High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications
• Excellent thread engagement and reliability provided by the Class 3A fit UNC coarse threads
• Secure, non-slip installation facilitated by the knurled hex socket head and 5/64" drive
• Enhanced durability and wear resistance from Rockwell B55 hardness
• Compliance with global environmental standards including RoHS 3 and REACH for safe, responsible sourcing

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment and pivot point challenges in mechanical assemblies. The 18-8 stainless steel material provides excellent corrosion resistance, making it suitable for equipment exposed to moisture, chemicals, or outdoor conditions. The UNC coarse threads with Class 3A fit ensure rapid assembly and reliable fastening in applications requiring repeated adjustments. The precisely machined shoulder acts as a bearing surface or pivot, reducing wear on connected components and maintaining accurate positioning in machinery, robotics, and precision instruments. The knurled hex socket head offers superior grip for torque application, preventing tool slippage during installation in confined spaces.

Specification Summary & Compliance

This shoulder screw features a 2-56 UNC thread with Class 3A fit and a thread length of 1/8". The shoulder diameter is 3/32" with a tolerance of -0.004" to -0.002", and the shoulder length is 7/16" with a tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.