S-96126A116 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and passivated finish, ideal for harsh industrial environments and extended service life.
• High-strength performance offering 70,000 psi tensile strength and Rockwell B79 hardness for reliable load-bearing in demanding applications.
• Precise alignment and spacing enabled by the smooth, accurately machined shoulder with a diameter of 3/32" and length of 5/16".
• Secure and efficient installation using the standard hex socket drive (5/64"), providing excellent torque transfer and reducing the risk of stripping.
• Consistent and reliable threading with 2-56 UNC coarse threads and Class 2A fit, ensuring easy assembly and vibration resistance.
• Compliance with stringent regulations, including RoHS 3 and REACH, making it suitable for global industrial and electronic markets.
• Durable right-hand coarse threading designed for quick assembly and disassembly in high-volume production settings.

Professional Applications & Engineering Value

This 316 Stainless Steel Shoulder Screw is engineered to address critical challenges in precision assemblies, such as maintaining component alignment and resisting environmental degradation. The passivated finish enhances its corrosion resistance, making it ideal for applications in chemical processing, marine equipment, and medical devices where moisture and chemicals are prevalent. The UNC coarse thread and Class 2A fit provide reliable fastening with minimal cross-threading risk, while the hex socket drive allows for high-torque installation in confined spaces. Its precise shoulder acts as a pivot or spacer, reducing wear in moving parts and ensuring long-term operational stability in machinery, automation systems, and electronic enclosures.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. Key specifications include a thread size of 2-56, shoulder diameter of 3/32" (tolerance: -0.001" to 0"), and shoulder length of 5/16" (tolerance: 0" to 0.002"). The product is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for industrial and international use.