S-90291A148 6-32 ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior vibration resistance with nylon 6/6 plastic tip that prevents loosening under dynamic loads
• Exceptional corrosion resistance from 18-8 stainless steel construction for harsh industrial environments
• Precise torque transmission through 1/16" hex drive design for secure installation without stripping
• Reliable thread engagement with Class 3A UNC coarse threads ensuring consistent clamping force
• Wide temperature compatibility (-50° to 250°F) for diverse operating conditions
• Minimal surface damage to components thanks to soft nylon tip protection
• Optimized mechanical strength with Rockwell B80 hardness for durable performance

Professional Applications & Engineering Value

This 6-32 UNC Class 3A nylon tip set screw delivers critical engineering solutions for precision assemblies requiring secure positioning without surface marring. The 18-8 stainless steel construction provides excellent corrosion resistance in demanding environments, while the nylon 6/6 plastic tip eliminates galling and prevents damage to expensive components. The headless design with hex drive enables flush mounting in confined spaces, making it ideal for machinery, electronics, and automotive applications where vibration resistance and reliable clamping are paramount. With its coarse UNC threads and Class 3A fit, this fastener ensures rapid installation and consistent holding power in production environments.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit for precision tolerance. Features 6-32 UNC coarse threads, 1/2" length, and 1/16" hex drive. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial applications.