S-94895A115 5/16"-18 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 classification, ensuring secure fastening in high-stress industrial applications
• Superior corrosion resistance thanks to black-oxide steel construction, extending service life in harsh environments
• Precise thread engagement with Class 2B thread fit, providing consistent performance and reducing cross-threading risks
• Optimal torque transmission via external hex drive and standard profile, enabling easy installation with common tools
• Wide compatibility with UNC coarse 5/16"-18 threads, making it ideal for various machinery and equipment assemblies
• Regulatory compliance assurance with RoHS 3 and REACH standards, ensuring safe use in regulated industries
• Dimensional accuracy with 1/2" width and 17/64" height, guaranteeing proper fit and uniform clamping force

Professional Applications & Engineering Value

This Grade 8 hex nut delivers critical engineering value through its black-oxide steel composition and UNC coarse thread design, specifically engineered to address common industrial challenges. The black-oxide surface treatment provides enhanced corrosion protection, significantly reducing maintenance frequency in moisture-prone environments while maintaining dimensional stability under extreme conditions. The 5/16"-18 coarse thread configuration ensures rapid assembly and disassembly in heavy machinery, construction equipment, and automotive applications where vibration resistance is paramount. With Class 2B thread fit precision, engineers can trust consistent performance in critical joints, minimizing the risk of fastener failure in high-vibration settings. The external hex drive design accommodates standard wrenching tools, streamlining installation processes while maintaining the integrity of the fastener during high-torque applications.

Specification Summary & Compliance

This hex nut maintains Class 2B thread fit tolerance per UNC standards, ensuring precise thread engagement across compatible components. Manufacturing adheres to Grade 8 strength requirements with right-hand coarse thread spacing (5/16"-18 UNC). The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications. Dimensional specifications include 1/2" width across flats and 17/64" height, providing standardized compatibility with industry-standard fastening systems.