S-97832A371 3/8"-16 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• Superior strength and durability from 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Precise location and pivot point provided by the 5/8" shoulder diameter with tight tolerances for accurate assembly.
• Reliable, vibration-resistant fastening ensured by the Class 3A UNC coarse thread fit.
• Easy installation and removal with the hex socket drive and knurled head for improved grip.
• Broad industrial compatibility through compliance with ASME B18.3 standards.
• Safe for regulated industries as it is RoHS 3 and REACH compliant.

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw is engineered to solve critical alignment and wear issues in precision assemblies. The 5/8" shoulder diameter acts as a dependable pivot or locating dowel, reducing part movement and wear in machinery, while the Class 3A UNC coarse thread provides robust, vibration-resistant fastening. Its hex socket drive and knurled head facilitate secure tool engagement in confined spaces. With a 70,000 psi tensile strength and corrosion-resistant material, it delivers long-term reliability in automotive, aerospace, and industrial equipment, ensuring reduced maintenance and downtime.

Specification Summary & Compliance

This shoulder screw features a 3/8"-16 UNC thread with a Class 3A fit for high precision. The shoulder diameter is 5/8" with a tolerance of -0.004" to -0.002", and shoulder length is 1/2" with a tolerance of -0.005" to 0.005". It is manufactured to meet ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.