S-98667A102 1/2"-13 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection with black corrosion-resistant coating extends service life in harsh industrial environments
• Reliable thread engagement with Class 2B fit ensures consistent clamping force and vibration resistance
• Quick installation through standard external hex drive design compatible with common wrench tools
• Optimal load distribution from standard cap nut profile provides secure fastening for heavy-duty applications
• Enhanced safety compliance with RoHS 3 regulations meeting international environmental standards
• Versatile coarse threading (1/2"-13 UNC) enables faster assembly and reduced cross-threading risks
• Dimensional precision with 3/4" width and 13/16" height ensures consistent performance across multiple installations

Professional Applications & Engineering Value

This heavy-duty cap nut delivers exceptional performance in demanding industrial settings where corrosion resistance and thread reliability are critical. The black corrosion-resistant coated steel construction protects against rust and chemical exposure in manufacturing plants, outdoor equipment, and marine applications. With its UNC coarse threading and Class 2B thread fit, this fastener maintains secure connections under vibration and dynamic loads, preventing costly downtime from loose fasteners. The external hex drive design allows for high-torque installation using standard tools, while the capped end provides both finished appearance and protection against thread damage. Engineered for machinery, structural assemblies, and heavy equipment requiring right-hand thread fasteners with proven durability.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1/2"-13 UNC coarse threading and Class 2B thread fit tolerance for reliable performance. The nut features standard external hex drive configuration with 3/4" width across flats and 13/16" total height. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a) for lead as alloying element in steel, ensuring environmental responsibility while maintaining mechanical properties. Thread specifications conform to unified inch standards for consistent interchangeability in industrial fastener systems.