S-91855A117 1"-8 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 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
- High-strength fastening performance with coarse UNC threads designed for quick assembly and reliable load distribution
- Precise Class 2B thread fit ensures smooth engagement and reduces cross-threading risks during installation
- External hex drive design provides excellent torque transmission and compatibility with standard wrench tools
- Durable cap nut profile offers full thread protection and a finished appearance while preventing fluid ingress
- Compliance with RoHS 3 and REACH standards guarantees environmental safety and regulatory acceptance in global markets
- Right-hand threading enables straightforward installation following conventional fastening practices
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 1"-8 UNC coarse thread cap nut delivers exceptional reliability in machinery, structural assemblies, and equipment exposed to moisture or chemicals. The 18-8 stainless steel material combats rust and oxidation, extending service life in marine, chemical processing, and construction applications. Its external hex drive allows for high-torque tightening with common tools, while the coarse thread design resists vibration loosening and simplifies alignment in high-stress joints. The cap nut profile seals thread ends effectively, preventing contamination and enhancing safety in food processing, automotive, and heavy equipment industries where hygiene and durability are critical.
Specification Summary & Compliance
This cap nut features a 1"-8 UNC coarse thread with Class 2B fit for consistent dimensional accuracy and secure mating with corresponding male threads. Manufactured to inch system standards, it ensures compatibility with UNC threaded components. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to hazardous substance restrictions and environmental safety requirements for industrial fasteners.
