S-91845A320 9/16"-18 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and extending service life.
• Precise, reliable fastening ensured by the UNF fine thread and Class 2B fit, minimizing the risk of loosening under vibration.
• Easy installation and removal with the standard external hex drive profile, compatible with common wrenches for efficient maintenance.
• High-strength durability for heavy-duty applications, withstanding significant mechanical stress and load.
• Guaranteed material safety and compliance, meeting RoHS 3 and REACH standards for use in regulated industries.
• Optimal dimensional accuracy with a 7/8" width and 31/64" height, ensuring consistent performance and interchangeability.
• Versatile right-hand threading designed for standard assembly processes, streamlining production and repair workflows.

Professional Applications & Engineering Value

This 9/16"-18 UNF Class 2B hex nut is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosive wear. Made from 18-8 stainless steel, it offers excellent resistance to rust and oxidation, making it suitable for outdoor machinery, marine equipment, and chemical processing plants. The UNF fine thread provides a tighter seal and higher tensile strength compared to coarse threads, reducing the need for frequent retightening in dynamic loads. Its standard external hex drive allows for quick installation with standard tools, enhancing assembly efficiency. This nut is ideal for applications requiring reliable, long-term fastening solutions in automotive, aerospace, and heavy machinery, where corrosion resistance and thread precision are paramount for safety and performance.

Specification Summary & Compliance

This hex nut adheres to UNF thread standards with a Class 2B thread fit for consistent dimensional accuracy and ease of assembly. It is manufactured from 18-8 stainless steel in an inch measurement system, with precise dimensions of 7/8" width and 31/64" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.