S-97345A910 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 extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in critical assemblies.
• Easy installation and removal with a 3/8" hex socket drive and knurled head for improved grip and torque application.
• Stable shoulder alignment provided by the 3/4" diameter shoulder, maintaining component positioning with tight tolerances.
• Broad compatibility with 5/8"-11 UNC coarse threads, suitable for a wide range of industrial machinery and equipment.
• Regulatory compliance meeting ASME B18.3 standards and RoHS/REACH directives for safe, global use.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to address common challenges in precision machinery, such as misalignment and component wear. The Class 3A thread fit and coarse UNC thread provide secure, vibration-resistant fastening, while the knurled head and hex socket drive facilitate quick assembly in tight spaces. Its high tensile and shear strength makes it suitable for demanding applications like pivots, axles, and spacers in automotive, aerospace, and manufacturing equipment, ensuring long-term reliability and reduced maintenance.

Specification Summary & Compliance

This shoulder screw features a 5/8"-11 UNC coarse thread with Class 3A precision fit, a shoulder diameter of 3/4" (tolerance: -0.004" to -0.002"), and a shoulder length of 2 1/8" (tolerance: -0.005" to 0.005"). It complies with ASME B18.3 specifications and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring high dimensional accuracy and environmental safety.