S-94301A135 5/16"-18 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 extended service life
- Reliable thread engagement ensured by Class 2B thread fit, reducing cross-threading risks and improving assembly speed
- High-torque installation capability through the external hex drive design, compatible with standard wrenches for secure fastening
- Effective end protection with the open-end cap profile, shielding threads from damage and contaminants in industrial settings
- Wide compatibility due to 5/16"-18 UNC coarse threading, fitting common components and simplifying inventory management
- Environmental compliance meeting RoHS 3 and REACH standards, ensuring safe use in regulated industries
- Durable performance with a compact 5/16" height and 9/16" width, providing robust fastening in space-constrained applications
Professional Applications & Engineering Value
This 5/16"-18 UNC cap nut delivers critical engineering value by addressing common industrial challenges like corrosion-induced failure and assembly inefficiency. Crafted from 18-8 stainless steel, it resists rust and chemical exposure in demanding sectors such as machinery, marine, and outdoor equipment. The Class 2B thread fit and coarse thread spacing enable quick, secure mating with UNC bolts, minimizing installation errors and downtime. Its external hex drive allows for high-torque application using standard tools, while the open-end cap nut design protects internal threads from debris and mechanical damage. These features make it a reliable choice for heavy-duty assemblies where durability and regulatory compliance are paramount.
Specification Summary & Compliance
This cap nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy. It features a right-hand thread direction, coarse thread spacing, and precise dimensions of 9/16" width and 5/16" height. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.
