S-98797A523 1/2"-13 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection with black coating extends service life in harsh industrial environments
• High-strength Grade 5 construction ensures reliable performance under heavy loads and vibration
• Precision UNC coarse threading enables faster assembly and reduced cross-threading risks
• Class 2B thread fit provides optimal engagement with mating components while maintaining smooth installation
• ASME B18.2.2 compliance guarantees dimensional accuracy and interchangeability with standard components
• External hex drive design offers excellent torque transmission for secure fastening operations
• Environmental compliance with RoHS 3 and REACH regulations ensures safe usage across global markets

Professional Applications & Engineering Value

This Grade 5 hex nut delivers exceptional engineering value through its black corrosion-resistant coated steel construction, specifically designed to address common industrial fastening challenges. The 1/2"-13 UNC coarse thread configuration provides superior resistance to vibration loosening while enabling rapid installation in high-volume assembly operations. The external hex drive profile ensures maximum tool engagement for precise torque application in confined spaces. Ideal for heavy machinery, structural steel connections, and industrial equipment maintenance, this hex nut solves critical issues of corrosion-induced failure and thread stripping through its optimized Class 2B thread fit and protective coating system. The standardized ASME B18.2.2 dimensions guarantee perfect compatibility with existing fastener systems across various industrial applications.

Specification Summary & Compliance

This hex nut maintains precise Class 2B thread fit tolerances according to UNC coarse thread standards with 1/2"-13 threading. Manufacturing complies with ASME B18.2.2 specifications ensuring dimensional accuracy across all critical parameters. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest substance restriction requirements. The Grade 5 strength classification confirms consistent mechanical performance while the standardized external hex drive and right-hand thread direction ensure industry-wide compatibility and straightforward installation.