S-94355A198 8-32 x 5/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Exceptional holding power achieved through Class 3A thread fit precision, ensuring secure fastening in demanding applications
• Enhanced durability with Rockwell B80 hardness, providing excellent resistance to wear and deformation
• Reliable installation via 5/64" hex drive design, allowing for secure torque application and reduced stripping risk
• Optimized for coarse threading applications with UNC thread form, facilitating quick assembly and disassembly
• Versatile headless design enabling flush mounting in space-constrained assemblies and rotating components
• Industry-compliant performance meeting ASME B18.3 specifications for consistent quality and interoperability

Professional Applications & Engineering Value

This 8-32 UNC set screw delivers critical engineering solutions for industrial applications requiring precise component positioning and secure locking. The 18-8 stainless steel composition provides excellent corrosion resistance, making it ideal for machinery, automotive, and marine environments where moisture and chemicals are present. The Class 3A thread fit ensures minimal backlash and vibration resistance, preventing loosening in dynamic systems. With its headless design and flat tip, it offers flush mounting capabilities for shafts, collars, and pulleys without protruding hardware. The coarse UNC threading enables rapid installation in soft materials and high-vibration settings, while the 5/64" hex drive provides reliable torque transmission during assembly. These features combine to solve common industrial challenges including component slippage, corrosion-induced failure, and maintenance accessibility.

Specification Summary & Compliance

This set screw maintains Class 3A thread fit tolerances per UNC standards, ensuring precise engagement and consistent performance. Manufacturing complies with ASME B18.3 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, confirming environmental safety and regulatory adherence for industrial use.