S-91875A102 7/8"-9 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Reliable thread engagement with Class 2B fit UNC coarse threads ensuring consistent fastening performance
• Easy installation and removal through external hex drive design compatible with standard tools
• Secure end protection with standard cap nut profile that covers thread ends and prevents contamination
• Heavy-duty load capacity from robust 1 1/4" width and 1 23/64" height dimensions
• Environmental compliance meeting RoHS 3 standards for responsible manufacturing
• Broad compatibility with right-hand UNC 7/8"-9 coarse threads fitting common industrial equipment

Professional Applications & Engineering Value

This zinc-plated steel cap nut delivers exceptional value in demanding applications where corrosion resistance and thread reliability are critical. The UNC coarse thread design with Class 2B fit prevents cross-threading and ensures smooth assembly in high-vibration environments, while the external hex drive enables quick installation with standard wrenches. The standard cap nut profile provides both aesthetic finishing and functional protection against moisture and debris ingress. Ideal for industrial machinery, structural assemblies, and heavy-duty equipment requiring durable fastening solutions that maintain integrity under constant stress and exposure.

Specification Summary & Compliance

Manufactured to precise inch measurement standards with 7/8"-9 UNC coarse threads and Class 2B thread fit for optimal clearance and engagement. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel. Features right-hand threading and standard cap nut profile with dimensions of 1 1/4" width and 1 23/64" height, ensuring consistent performance across industrial applications.