S-97832A183 8-32 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
• Precise component alignment ensured by the 1/4" shoulder diameter with tight tolerance control
• Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for demanding applications
• Secure installation and removal with knurled hex socket head providing enhanced grip and torque transmission
• Reliable thread engagement through Class 3A UNC coarse threads for vibration resistance and quick assembly
• Broad industry compliance meeting ASME B18.3 standards and environmental regulations including RoHS 3 and REACH
• Consistent performance backed by Rockwell B55 hardness for durability and wear resistance

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw delivers critical engineering solutions where precision alignment and robust fastening are paramount. The 1/4" shoulder diameter provides exact positioning for rotating components in machinery, while the 8-32 UNC coarse thread ensures rapid assembly and superior vibration resistance in high-cycle applications. The knurled socket head allows for secure tool engagement, preventing cam-out during torque application in confined spaces. Ideal for precision instruments, automation equipment, and mechanical assemblies, this fastener maintains dimensional stability under load with its 70,000 psi tensile strength, solving alignment and durability challenges in demanding industrial environments.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit for precision engagement and tight shoulder diameter tolerance (-0.004" to -0.002"). Complies with ASME B18.3 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements for industrial use.