S-97832A383 8-32 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.
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness, preventing stripping and deformation under heavy loads.
• Precise alignment and smooth rotation ensured by the Class 3A thread fit and standard shoulder, reducing wear on mating components.
• Secure, non-slip installation thanks to the hex socket drive and knurled head texture, allowing for high torque application without cam-out.
• Wide compatibility and easy assembly with the 8-32 UNC coarse thread, facilitating quick installation in various industrial applications.
• Regulatory compliance and environmental safety by meeting RoHS 3 and REACH standards, ensuring suitability for global markets.
• Optimized for heavy-duty use with a minimum shear strength of 35,000 psi, providing reliable performance in demanding mechanical assemblies.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical challenges in precision machinery, such as misalignment and component wear. The 18-8 Stainless Steel material offers excellent corrosion resistance, making it suitable for applications in humid or chemically aggressive environments, from automotive systems to food processing equipment. The hex socket drive and knurled head ensure secure gripping during installation, minimizing the risk of tool slippage and damage. With a Class 3A thread fit and coarse threading, it provides robust fastening in assemblies requiring repeated adjustments, while the precise shoulder diameter and length maintain accurate part positioning, reducing vibration and extending service life in industrial shoulder screw applications.

Specification Summary & Compliance

This shoulder screw features an 8-32 UNC coarse thread with Class 3A thread fit for high precision, a thread length of 3/16", and a shoulder diameter of 7/32" with tight tolerances (e.g., -0.004" to -0.002"). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met. Manufactured to consistent specifications, it supports reliable performance in various engineering contexts.