S-97832A235 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high stress.
• Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in critical assemblies.
• Enhanced grip and torque application from the knurled socket head and 5/64" hex drive, reducing tool slippage.
• Robust durability backed by a Rockwell B55 hardness, resisting wear and deformation.
• Wide industrial compatibility with UNC coarse threads and right-hand direction for common machinery and equipment.
• Regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally conscious use.

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw is engineered to address common industrial challenges such as component misalignment and vibrational loosening. The 2-56 UNC coarse thread and Class 3A fit provide a secure, precise connection in assemblies requiring high positional accuracy, such as in precision instruments, machinery linkages, and electronic enclosures. The knurled socket head enhances grip for efficient torque transmission, reducing installation time and the risk of damage. Its high tensile and shear strength ensures reliable performance in dynamic applications, while the stainless steel material offers excellent resistance to corrosion and oxidation, making it suitable for demanding environments like automotive, aerospace, and marine sectors.

Specification Summary & Compliance

This shoulder screw features a 2-56 UNC coarse thread with a Class 3A fit for high precision, a shoulder diameter of 3/32" with a tolerance of -0.004" to -0.002", and a shoulder length of 3/16" with a tolerance of -0.005" to 0.005". It is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B55, tensile strength of 70,000 psi, and minimum shear strength of 35,000 psi. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets industry standards for safety and environmental responsibility.