S-97345A210 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments.
• Precise component alignment ensured by the 1/2" shoulder length with tight tolerances for reliable positioning.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for demanding applications.
• Secure and repeatable fastening with Class 3A thread fit, providing excellent vibration resistance.
• Easy installation and removal using the 5/64" hex drive and knurled head for improved grip.
• Broad industry compliance meeting RoHS 3 and REACH regulations for safe, sustainable use.
• Optimized for coarse threading with 2-56 UNC right-hand threads, ensuring quick assembly and durability.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, such as maintaining alignment in rotating assemblies and reducing wear in high-stress joints. The Class 3A thread fit and coarse UNC threads provide exceptional resistance to loosening under vibration, while the 1/2" shoulder length with controlled tolerances ensures accurate spacing and support for components like bearings or gears. Its knurled socket head and hex drive facilitate easy torque application in confined spaces. Ideal for industrial equipment, automotive systems, and electronic enclosures, this screw delivers reliable performance in corrosive or high-load environments, minimizing maintenance and downtime.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for precise engagement. Dimensions include a shoulder diameter of 3/32" (tolerance: -0.004" to -0.002") and shoulder length of 1/2" (tolerance: -0.005" to 0.005"). Manufactured from 316 stainless steel with a hardness of Rockwell B79, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety.