S-97345A281 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh or chemical-exposed environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance under high stress.
• Precise Class 3A thread fit ensures tighter tolerances and superior engagement for vibration-resistant assemblies.
• Secure and easy installation with a knurled hex socket head that provides enhanced grip and reduces tool slippage.
• Accurate alignment and spacing thanks to the 11/16" shoulder length with tight tolerances, maintaining component positioning.
• High durability backed by Rockwell B79 hardness, resisting wear and deformation in demanding applications.
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw is engineered to address critical challenges in precision assembly and machinery. The 316 Stainless Steel material provides excellent resistance to corrosion and oxidation, making it suitable for industries like marine, chemical processing, and food equipment where moisture and chemicals are prevalent. The Class 3A thread fit and coarse UNC thread design ensure secure fastening with minimal risk of loosening under vibration, while the hex socket head with knurling allows for efficient torque application without cam-out. Its 11/16" shoulder length acts as a precise pivot or spacer in rotating parts, reducing wear and maintaining alignment in applications such as conveyor systems, robotics, and automotive assemblies. By integrating high tensile strength and compliance with RoHS 3 and REACH, this fastener delivers long-term reliability and meets stringent industrial and regulatory demands.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for high-accuracy assemblies and UNC coarse threading for robust engagement. Key tolerances include shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005", ensuring consistent performance. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing the absence of hazardous substances and supporting environmentally safe manufacturing practices.