S-91078A031 3/8"-16 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for reliable performance in harsh industrial environments
• Space-saving thin profile (7/32" height) ideal for applications with limited clearance while maintaining full functionality
• Secure fastening performance with Class 2B thread fit ensuring consistent engagement and vibration resistance
• Easy installation and maintenance through standard external hex drive design compatible with common wrench tools
• Proven durability with Grade 2 strength rating suitable for general industrial applications and moderate stress conditions
• Reliable coarse threading (3/8"-16 UNC) providing quick assembly and reduced cross-threading risks
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use across various industries

Professional Applications & Engineering Value

This zinc-plated steel thin hex nut delivers exceptional value in assembly operations where space constraints and corrosion resistance are critical concerns. The 3/8"-16 UNC coarse thread configuration enables rapid installation in production environments while minimizing the risk of cross-threading errors. Engineered with a Class 2B thread fit, this fastener maintains consistent clamping force in vibrating machinery, electrical enclosures, and structural frameworks. The thin hex nut profile proves particularly valuable in compact assemblies and retrofit applications where standard nuts would interfere with adjacent components. The zinc plating provides essential protection against oxidation in manufacturing facilities, outdoor equipment, and automotive applications, extending service life while maintaining the Grade 2 strength required for reliable mechanical connections.

Specification Summary & Compliance

This industrial fastener features precise Class 2B thread fit tolerance according to UNC coarse thread standards with dimensions of 9/16" width and 7/32" height. Manufactured to Grade 2 strength classification for consistent performance in general-purpose applications. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors. Right-hand thread direction and external hex drive style provide standardized installation compatibility with common tooling systems.