S-97345A214 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi minimum shear strength for reliable, long-lasting assemblies.
• Precise thread engagement with Class 3A fit and UNC coarse thread spacing, ensuring secure fastening and vibration resistance.
• Easy installation and removal via the 5/64" hex drive and knurled socket head, providing excellent grip and torque transmission.
• Accurate shoulder positioning with tight diameter and length tolerances, enabling precise component alignment in machinery.
• Compliance with global regulations including RoHS 3 and REACH, making it suitable for international supply chains and sensitive applications.
• Durable material hardness at Rockwell B79, resisting wear and deformation under repeated use.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision assembly and corrosive environments. The UNC coarse thread and Class 3A fit provide superior holding power, reducing the risk of loosening in high-vibration settings like robotics, automotive, and conveyor systems. The knurled socket head with a 5/64" hex drive ensures easy access and secure tool engagement, even in confined spaces. With a shoulder diameter of 3/32" and controlled tolerances, it offers exact alignment for pivots, gears, and rotating components, minimizing wear and maintenance. The right-hand thread and robust tensile strength make it a reliable choice for industrial equipment, medical devices, and marine applications where durability and compliance are paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precision. Dimensions include a thread size of 2-56, shoulder diameter of 3/32" (tolerance: -0.004" to -0.002"), and shoulder length of 5/8" (tolerance: -0.005" to 0.005"). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards for global industrial use.