S-90100A108 7/8"-9 Cap Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Grade 8 strength rating, ideal for high-stress industrial applications where fastener failure is not an option.
• Superior corrosion resistance due to zinc-plated steel construction, extending service life in harsh or outdoor environments.
• Easy installation and removal with external hex drive design, allowing for quick assembly using standard wrenches.
• Reliable thread engagement from 7/8"-9 UNC coarse threads and Class 2B fit, reducing cross-threading risks and ensuring secure fastening.
• Enhanced safety and debris protection with cap nut profile, shielding threads and preventing contamination in machinery.
• Compliance with environmental standards through RoHS 3 adherence, meeting regulatory requirements for industrial components.
• Durable and long-lasting performance from heavy-duty zinc-plated steel, minimizing replacement needs and maintenance costs.

Professional Applications & Engineering Value

This Grade 8 cap nut is engineered to address critical challenges in heavy machinery, construction, and automotive assemblies where vibration resistance and tensile strength are paramount. The zinc-plated steel material provides a protective barrier against rust and corrosion, essential for outdoor or humid conditions. With 7/8"-9 UNC coarse threads and Class 2B thread fit, it ensures precise alignment and reduces the risk of stripping during high-torque applications. The external hex drive allows for efficient tightening with common tools, speeding up installation in time-sensitive projects. Ideal for securing structural components, this industrial fastener delivers consistent performance in demanding environments, from manufacturing plants to infrastructure projects.

Specification Summary & Compliance

This cap nut features a thread size of 7/8"-9 UNC with coarse spacing and Class 2B thread fit for standard tolerance. It adheres to RoHS 3 (2015/863/EU) compliance under exemption 6(a)-I for lead in steel alloys. Manufactured to Grade 8 strength standards, it ensures high tensile performance and reliability in industrial fastening systems.