S-90291A851 8-32 ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior vibration resistance with durable nylon 6/6 plastic tip that prevents loosening under dynamic loads
• Excellent corrosion resistance provided by 18-8 stainless steel construction for long service life in harsh environments
• Precise thread engagement with Class 3A fit ensuring reliable fastening and consistent performance
• Wide temperature compatibility with nylon tip operating from -50° to 250°F for diverse industrial applications
• Secure installation through hex drive design allowing proper torque application without slippage
• Minimal surface damage thanks to soft nylon tip that protects contact surfaces during clamping
• Headless design advantage enabling flush mounting in space-constrained assemblies

Professional Applications & Engineering Value

This 8-32 UNC set screw with nylon tip delivers exceptional engineering value in applications where vibration-induced loosening compromises assembly integrity. The 18-8 stainless steel construction provides reliable corrosion resistance for demanding environments, while the Class 3A thread fit ensures precise engagement in critical fastening applications. The hex drive design facilitates proper installation torque in confined spaces, making it ideal for machinery components, precision instruments, and automotive assemblies. The nylon 6/6 plastic tip maintains its protective properties across a broad temperature range (-50° to 250°F), preventing damage to shaft surfaces while providing consistent clamping force in vibration-resistant applications.

Specification Summary & Compliance

This set screw features 8-32 UNC coarse threads with Class 3A precision fit, manufactured from 18-8 stainless steel with Rockwell B80 hardness. The product fully complies with ASME B18.3 manufacturing specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for industrial applications worldwide.