S-97345A815 5/8"-11 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precision Class 3A thread fit ensures consistent, secure fastening with minimal backlash in assemblies requiring tight tolerances.
• Enhanced grip and anti-slip handling provided by the knurled head texture, facilitating easier installation and removal even with gloved hands.
• Broad compatibility with standard 3/8" hex drive tools, streamlining maintenance and reducing the need for specialized equipment.
• Rigorous quality assurance through compliance with ASME B18.3 standards, guaranteeing dimensional accuracy and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This 5/8"-11 UNC shoulder screw is engineered to address critical alignment and pivot point challenges in machinery and equipment. The 316 stainless steel material provides excellent resistance to corrosion from chemicals, saltwater, and extreme temperatures, making it suitable for marine, chemical processing, and food industry applications. The socket head with knurled texture ensures secure tool engagement, reducing the risk of cam-out during high-torque installation. The precisely machined shoulder diameter and Class 3A thread fit allow for accurate positioning of moving parts, such as in conveyor systems, robotic arms, and precision instruments, minimizing vibration and wear. Its high tensile and shear strength ensures long-term reliability in dynamic load conditions, reducing maintenance frequency and downtime.

Specification Summary & Compliance

This shoulder screw features a 5/8"-11 UNC coarse thread with Class 3A fit for precise engagement, a shoulder diameter of 3/4" with tolerance of -0.004" to -0.002", and shoulder length of 3/8" with tolerance of -0.005" to 0.005". It is manufactured in accordance with ASME B18.3 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets international standards for safety and environmental responsibility.