S-91627A115 1/4"-20 Flange Nuts

Key Features & Benefits at a Glance

• Maximum Load Distribution - The 19/32" flange diameter provides a wider bearing surface, reducing surface pressure and preventing damage to connected materials
• Superior Corrosion Protection - Zinc yellow-chromate plating offers exceptional resistance to rust and environmental degradation in harsh industrial settings
• High-Strength Performance - Grade 8 classification ensures reliable performance under extreme tension and vibration conditions
• Quick Installation Efficiency - UNC coarse threading enables faster assembly and reduced cross-threading risks in production environments
• Secure Fastening Integrity - Class 2B thread fit maintains precise tolerances for consistent, reliable connections that withstand vibration
• Enhanced Torque Application - External hex drive design allows for higher torque values using standard wrenches and sockets
• Dimensional Precision - 7/16" width and 15/64" height ensure perfect compatibility with standard industrial equipment and components

Professional Applications & Engineering Value

This Grade 8 flange nut delivers exceptional engineering value through its zinc yellow-chromate plated steel construction, specifically designed to address common industrial challenges. The integrated flange eliminates the need for separate washers, streamlining assembly processes while providing superior load distribution that prevents surface damage to soft materials. The UNC coarse thread pattern ensures rapid installation in high-volume manufacturing environments while maintaining vibration resistance critical for automotive, construction, and heavy machinery applications. The external hex drive accommodates standard industrial tools, enabling precise torque application that meets the demanding requirements of structural fastening and equipment assembly where corrosion resistance and long-term reliability are paramount.

Specification Summary & Compliance

This heavy-duty flange nut features precise Class 2B thread fit tolerances with 1/4"-20 UNC coarse thread specifications, ensuring compatibility with standard industrial components. Manufactured to meet Grade 8 strength requirements with dimensions including 7/16" width, 15/64" height, 19/32" flange diameter, and 0.06" flange thickness. The product complies with industry standards for right-hand thread direction and external hex drive specifications, suitable for various industrial applications requiring reliable, high-strength fastening solutions.