S-96439A160 4-40 Press-Fit Nuts

Key Features & Benefits at a Glance

• Superior panel retention with press-fit installation for secure, permanent mounting in sheet metal applications
• Excellent corrosion resistance provided by 18-8 stainless steel construction for long-term reliability in harsh environments
• Reliable thread performance with Class 2B thread fit ensuring consistent engagement and reduced cross-threading risks
• Vibration-resistant fastening through press-fit technology that maintains position under dynamic loading conditions
• Simplified installation process requiring only a No. 19 drill bit (0.166" diameter) for precise mounting in 0.09" minimum panel thickness
• Environmental compliance with RoHS 3 standards for use in regulated industrial applications worldwide
• Optimized thread design with 4-40 UNC coarse right-hand threads for quick assembly and disassembly when needed

Professional Applications & Engineering Value

This 4-40 UNC press-fit nut delivers exceptional engineering value in applications where vibration resistance and permanent mounting are critical. The 18-8 stainless steel construction provides superior corrosion resistance for harsh industrial environments, while the round head design ensures smooth installation and optimal panel contact. Engineered specifically for sheet metal panels with minimum 0.09" thickness, this press-fit nut eliminates the need for welding or additional hardware, reducing assembly time and costs. The Class 2B thread fit guarantees consistent performance in high-volume production environments, making it ideal for electronics enclosures, industrial control panels, and automotive assemblies where reliable threaded connections are essential for long-term operation.

Specification Summary & Compliance

This press-fit nut features precision 4-40 UNC coarse threads with Class 2B thread fit tolerance for consistent mating with standard fasteners. The manufacturing specifications include a round head design with 0.07" height and 0.25" outer diameter, engineered for installation in panels with minimum 0.09" thickness using No. 19 drill bit (0.166" diameter). The product is fully RoHS 3 (2015/863/EU) compliant and manufactured to PEM® quality standards, ensuring reliable performance in industrial fastening applications requiring right-hand thread direction and vibration-resistant characteristics.