S-91849A665 3/4"-16 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
• Superior torque transmission and reduced slipping due to the extra wide hex profile for secure fastening in high-vibration applications
• Precise, reliable thread engagement with Class 2B fine UNF threads, minimizing cross-threading and ensuring consistent clamping force
• Enhanced durability and load distribution from the substantial 1 1/4" width and 47/64" height, ideal for heavy-duty assemblies
• Broad industrial compatibility with 3/4"-16 UNF right-hand fine threads, meeting standard inch-system requirements
• Compliance with stringent environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries
• Optimized for industrial machinery and equipment where corrosion resistance, strength, and precise threading are critical

Professional Applications & Engineering Value

This extra wide hex nut is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. Constructed from 18-8 stainless steel, it provides excellent resistance to rust and chemical exposure, making it ideal for applications in marine, chemical processing, and outdoor machinery. The UNF fine thread design with Class 2B fit ensures tighter tolerances and smoother assembly, reducing the risk of thread damage during high-torque installations. Its extra wide profile offers a larger wrenching surface, enhancing grip and distributing load more effectively across connected components. This nut is particularly valuable in heavy-duty industrial assemblies, construction equipment, and automotive systems where reliability under stress is non-negotiable. The combination of material integrity and precise threading delivers long-term performance, minimizing maintenance needs and downtime.

Specification Summary & Compliance

This hex nut features a 3/4"-16 UNF fine thread with Class 2B thread fit, ensuring high dimensional accuracy and compatibility with standard inch-system components. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for industrial use. The nut's external hex drive style and right-hand thread direction align with common assembly practices, providing reliable performance in various engineering applications.