S-94895A835 5/8"-18 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating, extending service life in harsh environments
• Exceptional tensile strength from Grade 8 certification, ensuring reliable performance under heavy loads
• Precise thread engagement with Class 2B fit, reducing the risk of cross-threading and assembly errors
• Enhanced vibration resistance through UNF fine threads, maintaining joint integrity in dynamic applications
• Optimized tool compatibility with standard external hex drive, allowing for efficient installation with common wrenches
• Dimensional consistency with 15/16" width and 35/64" height, ensuring uniform performance across assemblies
• Right-hand thread design for straightforward installation in standard industrial equipment

Professional Applications & Engineering Value

This Grade 8 heavy-duty hex nut is engineered to address critical challenges in demanding industrial settings, such as machinery assembly, automotive systems, and structural frameworks. The zinc yellow-chromate-plated steel construction provides a robust barrier against corrosion, significantly reducing maintenance needs in exposed or high-moisture environments. With 5/8"-18 UNF fine threads and a Class 2B thread fit, it ensures precise, secure fastening that minimizes loosening under vibration—common in heavy equipment and transportation applications. The external hex drive facilitates quick, tool-friendly installation, enhancing workflow efficiency while maintaining the integrity of high-stress joints. Ideal for engineers and procurement specialists seeking reliable, long-lasting fastening solutions, this nut delivers consistent performance where strength and durability are non-negotiable.

Specification Summary & Compliance

This hex nut adheres to UNF thread standards with a Class 2B thread fit for consistent dimensional accuracy. Manufactured from zinc yellow-chromate-plated steel, it meets Grade 8 strength requirements and complies with industry specifications for heavy-duty applications. The product conforms to relevant ASME and ISO standards, ensuring reliability and interoperability in global industrial use. Additionally, it aligns with RoHS and REACH directives for environmental and safety compliance.