S-94450A527 9/16"-18 ANSI/ASME 18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments.
• Reliable left-hand thread engagement prevents unintentional loosening in counter-rotational applications.
• Precise Class 2B thread fit ensures smooth assembly and consistent clamping force.
• Space-saving thin profile (5/16" height) allows use in compact assemblies without sacrificing strength.
• Guaranteed dimensional accuracy through compliance with ANSI/ASME 18.2.2 standards.
• Secure external hex drive provides excellent torque transmission with standard tools.
• Full environmental compliance with RoHS 3 and REACH, making it suitable for regulated industries.

Professional Applications & Engineering Value

This 9/16"-18 UNF left hand thin hex nut is engineered to solve critical challenges in industrial settings where reverse-thread mechanisms are essential. The fine thread spacing and Class 2B thread fit deliver superior vibration resistance and precise tension control in high-stress assemblies. Made from 18-8 stainless steel, it offers outstanding durability and corrosion resistance, making it ideal for machinery, automotive, and marine applications exposed to moisture and chemicals. Its thin profile is particularly valuable in confined spaces, while the external hex drive ensures easy installation and removal with common tools, enhancing maintenance efficiency.

Specification Summary & Compliance

This nut features a 9/16"-18 UNF left-hand fine thread with a Class 2B thread fit for consistent, reliable performance. It adheres to ANSI/ASME 18.2.2 dimensional standards, ensuring precise 7/8" width and 5/16" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing it meets stringent environmental and safety requirements for industrial use.