S-91078A030 5/16"-18 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc plating for extended service life in harsh industrial environments
• Space-saving thin profile (3/16" height) ideal for applications with limited clearance while maintaining full functionality
• Reliable coarse thread engagement with UNC 5/16"-18 configuration for faster assembly and reduced cross-threading risks
• Precision Class 2B thread fit ensures consistent performance and secure fastening in vibration-prone applications
• Grade 2 strength certification provides dependable mechanical performance for general industrial fastening requirements
• Standard 1/2" hex width offers compatibility with common wrenching tools for efficient installation and maintenance
• Full regulatory compliance with RoHS 3 and REACH standards for safe use across various industrial sectors

Professional Applications & Engineering Value

This zinc-plated steel thin hex nut delivers exceptional value in applications where space constraints and corrosion resistance are critical factors. The UNC coarse thread design enables rapid assembly in manufacturing lines while maintaining vibration resistance in machinery and equipment. The thin hex nut profile proves particularly valuable in compact assemblies, electrical enclosures, and automotive components where standard nut height would compromise design integrity. The zinc plating provides sacrificial protection against oxidation, making these fasteners suitable for outdoor equipment, agricultural machinery, and industrial installations exposed to moisture. With its Grade 2 strength rating and Class 2B thread fit, this fastener ensures reliable performance in general-purpose applications while meeting stringent industrial safety standards through RoHS and REACH compliance.

Specification Summary & Compliance

This 5/16"-18 UNC hex nut features Class 2B thread fit per standard inch measurement specifications, ensuring proper clearance and engagement with mating components. The fastener maintains dimensional accuracy with 1/2" across flats and 3/16" height for consistent performance. Manufacturing complies with Grade 2 strength requirements for reliable mechanical properties. The product fully meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.