S-97345A303 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise alignment and positioning ensured by the Class 3A thread fit and controlled shoulder diameter tolerance for minimal play and vibration.
• Enhanced grip and non-slip fastening provided by the knurled socket head, allowing secure tool engagement with a 3/32" hex drive.
• Durable and wear-resistant material with Rockwell B79 hardness, maintaining integrity under repeated use and mechanical stress.
• Broad compatibility with 6-32 UNC coarse right-hand threads, conforming to common standards for easy integration into existing assemblies.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, ensuring safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly jigs where corrosion resistance and exact component alignment are paramount. The 1-3/4" shoulder length with tight tolerances provides a stable pivot or spacer, reducing wear on moving parts and preventing axial misalignment. The UNC coarse thread and Class 3A fit ensure quick, secure fastening with high repeatability, while the knurled socket head enhances torque transmission and reduces slippage during installation. Ideal for use in industrial equipment, electronic enclosures, and medical devices, this fastener delivers long-term reliability and consistent performance in corrosive or high-stress environments.

Specification Summary & Compliance

This shoulder screw adheres to Class 3A thread fit standards for precise engagement, with a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005" to ensure dimensional accuracy. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety requirements for industrial and commercial use. The UNC thread type and right-hand thread direction align with common fastener specifications, providing reliable interoperability in various applications.