S-97345A125 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Precise Class 3A thread fit guarantees secure, vibration-resistant fastening with minimal backlash.
• Knurled head design provides enhanced grip for easier manual installation and adjustment.
• Hex socket drive allows for high-torque application and access in confined spaces.
• Accurate shoulder diameter and length tolerances enable consistent alignment and smooth pivoting in assemblies.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical needs in precision machinery, automation systems, and medical devices where alignment and corrosion resistance are paramount. The 8-32 UNC coarse thread with Class 3A fit provides excellent holding power and resistance to loosening under dynamic loads. The knurled head enhances handling during assembly, while the precisely machined shoulder acts as a reliable pivot or spacer, reducing wear and maintaining component alignment. Its RoHS and REACH compliance makes it suitable for regulated industries, ensuring long-term reliability and reduced maintenance in demanding applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.