S-97832A132 3/8"-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and extended service life
• Precise component alignment enabled by the 1/2" diameter shoulder with controlled tolerances, ensuring accurate positioning in assemblies
• High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength, providing reliable load-bearing capacity
• Fine thread accuracy with Class 3A UNF-24 threads for secure, vibration-resistant fastening in precision applications
• Easy installation and removal featuring a knurled socket head with 1/4" hex drive for superior grip and torque application
• Industry-standard compliance meeting ASME B18.3 specifications for dimensional consistency and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This 3/8"-24 UNF shoulder screw delivers critical engineering value in applications requiring precise rotational alignment and axial positioning. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for food processing, marine, and chemical environments where moisture resistance is essential. The 1/2" shoulder diameter with tight tolerances acts as a precision pivot or bearing surface in machinery, eliminating the need for additional bushings. The Class 3A fine threads maintain clamping force under vibration, while the knurled socket head allows for secure tool engagement in confined spaces. These features combine to solve common assembly challenges in robotics, automotive fixtures, and precision manufacturing equipment where dimensional stability and reliability are paramount.

Specification Summary & Compliance

This shoulder screw features Class 3A thread fit with UNF-24 fine thread spacing, ensuring precise engagement. The shoulder maintains a diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005" for consistent performance. Manufactured to ASME B18.3 specifications, it guarantees dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental and safety standards for industrial use worldwide.