S-91875A180 5/8"-11 Cap Nuts
Cap Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
- Reliable sealing performance from the cap design, protecting threads from contaminants and moisture ingress
- Easy installation and removal with external hex drive, compatible with standard wrenches for efficient maintenance
- Secure coarse thread engagement with 5/8"-11 UNC threading, providing excellent vibration resistance in heavy-duty applications
- Precise Class 2B thread fit ensuring smooth assembly and consistent clamping force across mating components
- RoHS 3 compliance meeting environmental regulations for safe use in various industrial sectors
- Robust dimensional profile with 15/16" width and 1" height, delivering substantial bearing surface for high-load applications
Professional Applications & Engineering Value
This heavy-duty cap nut delivers exceptional engineering value through its zinc-plated steel construction and UNC coarse threading. The combination provides superior corrosion resistance while the external hex drive enables quick installation in confined spaces common in machinery, structural frameworks, and equipment manufacturing. The Class 2B thread fit ensures reliable performance in high-vibration environments where loosening prevention is critical. The cap design effectively seals threaded ends against dust, moisture, and chemical exposure, making these industrial cap nuts ideal for automotive assemblies, construction equipment, and marine applications where both protection and durability are paramount.
Specification Summary & Compliance
This cap nut features precision 5/8"-11 UNC coarse threads with Class 2B fit for consistent engagement. Manufactured to standard inch dimensions with 15/16" width and 1" height. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel. The zinc-plated surface treatment provides corrosion protection while maintaining electrical conductivity where required.
