S-90100A104 1/2"-13 Cap Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 strength rating for heavy-duty industrial applications
• Superior corrosion resistance through zinc plating, extending service life in demanding environments
• Secure thread engagement with Class 2B fit ensuring reliable fastening in coarse thread applications
• Easy installation and removal via standard external hex drive compatible with common tools
• Thread protection and contamination prevention with full-cap design covering exposed thread ends
• Regulatory compliance assurance meeting RoHS 3 standards for environmental safety
• Optimal dimensional compatibility with 1/2"-13 UNC coarse threads matching standard bolt specifications

Professional Applications & Engineering Value

This Grade 8 zinc-plated steel cap nut delivers exceptional engineering value in industrial settings where vibration resistance and environmental durability are critical. The UNC coarse thread configuration with Class 2B fit provides reliable engagement in high-stress applications while resisting loosening under dynamic loads. The zinc plating creates a protective barrier against moisture and chemical exposure, making these cap nuts ideal for construction equipment, automotive assemblies, and heavy machinery. The external hex drive design allows for high-torque installation using standard wrenches, while the capped end protects threads from damage and prevents fluid ingress in hydraulic and pneumatic systems.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1/2"-13 UNC coarse threads and Class 2B thread fit tolerance. The nut features a 3/4" width across flats and 13/16" height for standard tool compatibility. This fastener complies with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I and meets Grade 8 strength classification requirements for high-strength applications, ensuring consistent performance and regulatory adherence across industrial sectors.