S-97832A243 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
• Precise thread engagement with Class 3A fit and UNC coarse thread, ensuring secure fastening and vibration resistance.
• Easy installation and removal thanks to the 5/64" hex drive and knurled socket head, providing excellent grip and torque transmission.
• Accurate alignment and spacing with a 5/8" shoulder length and standard shoulder fit, reducing assembly time and improving component positioning.
• Enhanced durability with Rockwell B55 hardness, resisting wear and deformation under load.
• Compliance with environmental standards, being RoHS 3 and REACH compliant for safe, sustainable use in regulated industries.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical challenges in industrial assembly, such as misalignment and component wear. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for applications in machinery, automotive, and electronics where exposure to moisture or chemicals is common. The Class 3A thread fit and UNC coarse thread ensure tight, reliable fastening that withstands vibrations, reducing maintenance needs. With a 5/64" hex drive and knurled head, it allows for quick, secure installation in tight spaces, enhancing productivity. The shoulder design supports precise axial positioning in pivots, linkages, and rotating assemblies, delivering consistent performance in high-stress environments.

Specification Summary & Compliance

This shoulder screw features a 2-56 UNC thread with Class 3A fit for high precision, along with a shoulder diameter of 3/32" (tolerance: -0.004" to -0.002") and length of 5/8" (tolerance: -0.005" to 0.005"). It adheres to industry standards for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory acceptance in global markets.