S-97345A896 3/4"-10 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
• Precise alignment and secure mounting ensured by the 1" diameter shoulder with controlled tolerances for a standard fit.
• High-reliability thread engagement provided by the Class 3A fit and coarse 3/4"-10 UNC thread for robust fastening.
• Easy and secure installation with the 1/2" hex socket drive and knurled head for improved grip during torque application.
• Long-term durability supported by Rockwell B79 hardness, resisting wear and deformation under load.
• Regulatory compliance and quality assurance meeting ASME B18.3 standards and being RoHS 3 and REACH compliant for safe, global use.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical alignment and high-stress challenges in industrial machinery. Its 1" shoulder diameter provides a precise pivot point or bearing surface, reducing wear on components and maintaining accurate positioning in assemblies like rotating shafts, linkages, and pivoting mechanisms. The coarse 3/4"-10 UNC thread with a Class 3A fit ensures rapid assembly and high vibration resistance, crucial for heavy-duty equipment. The hex socket head with a knurled texture allows for high-torque installation in confined spaces, enhancing operational efficiency. Ideal for applications in chemical processing, marine hardware, and automated systems, this screw delivers reliable performance where corrosion resistance and 70,000 psi tensile strength are paramount.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for superior engagement and a shoulder diameter tolerance of -0.004" to -0.002". It conforms to ASME B18.3 specifications for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for international industrial markets.