S-91841A003 2-56 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Reliable coarse threading using UNC standards for faster assembly and reduced cross-threading risks in industrial applications.
• Precise Class 2B thread fit ensures consistent engagement and vibration resistance with mating components.
• External hex drive design provides excellent torque transmission and easy installation with standard tools.
• Compact dimensions (3/16" width, 1/16" height) enable space-efficient fastening in confined assemblies.
• Full regulatory compliance with RoHS 3 and REACH standards for safe use across global industrial markets.
• Right-hand thread orientation delivers straightforward installation following conventional fastening practices.

Professional Applications & Engineering Value

This 2-56 UNC hex nut delivers critical performance where corrosion resistance and thread reliability are paramount. The 18-8 stainless steel material inherently resists oxidation and chemical exposure, making it suitable for electronics enclosures, marine hardware, and food processing equipment. Its coarse thread profile and Class 2B thread fit prevent binding during high-speed assembly while maintaining clamp load under vibration. The external hex drive allows for secure tool engagement, reducing slip-induced damage. These attributes solve common industrial challenges like fastener failure in humid conditions, thread galling, and installation inefficiency, ensuring long-term operational integrity.

Specification Summary & Compliance

Manufactured to UNC coarse thread standards with Class 2B tolerance for consistent thread engagement. Dimensions include 2-56 thread size, 3/16" width, and 1/16" height. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to restricted substance directives for industrial safety and environmental responsibility.