S-91078A230 9/16"-18 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Superior thread engagement with Class 2B thread fit ensuring reliable, vibration-resistant connections
- Space-saving thin profile (5/16" height) ideal for applications with limited clearance requirements
- High-strength performance meeting Grade 2 specifications for dependable load-bearing capacity
- Precision UNF fine threading (18 TPI) providing superior clamping force and leak resistance
- Easy installation and removal with standard 7/8" external hex drive compatible with common tools
- Regulatory compliance assurance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
This 9/16"-18 UNF thin hex nut delivers exceptional engineering value through its zinc-plated steel construction and fine thread spacing. The combination of Grade 2 strength classification and Class 2B thread fit addresses critical industrial challenges including vibration-induced loosening, corrosion degradation, and space constraints. Engineered for heavy-duty applications in machinery, equipment assembly, and structural frameworks, this external hex drive fastener provides reliable performance where consistent clamping force and environmental resistance are paramount. The thin hex nut profile makes it particularly valuable in compact assemblies without compromising on strength or durability requirements.
Specification Summary & Compliance
This inch system fastener features precision UNF thread specifications with Class 2B thread fit tolerances ensuring consistent performance across applications. Manufacturing complies with industry standards for right-hand thread fasteners, while meeting RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements. The Grade 2 strength classification guarantees mechanical performance suitable for industrial applications demanding reliability and durability.
