S-94450A310 5/8"-11 Hex Nuts

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel construction ensures long-term durability in harsh environments, reducing maintenance costs and replacement frequency.
• Thin profile design saves space and weight in compact assemblies while maintaining reliable fastening performance.
• Left-hand threading provides secure fastening in applications where right-hand rotation could cause loosening, enhancing safety in specialized machinery.
• Coarse UNC threads enable quick installation and removal, improving assembly efficiency and reducing labor time.
• Class 2B thread fit offers consistent engagement with mating components, minimizing cross-threading risks and ensuring vibration resistance.
• External hex drive style allows for easy tool access with standard wrenches, streamlining maintenance and adjustments.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global industrial supply chains.

Professional Applications & Engineering Value

This 5/8"-11 UNC left-hand thin hex nut is engineered to address critical challenges in industrial settings where reverse-thread mechanisms are essential. The 18-8 stainless steel material provides excellent corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor elements—such as marine equipment, agricultural machinery, and conveyor systems. Its thin hex nut profile is particularly valuable in space-constrained assemblies, allowing engineers to design more compact systems without sacrificing strength. The coarse thread spacing ensures reliable performance in high-vibration environments, reducing the risk of unintentional loosening. By combining left-hand thread direction with a Class 2B thread fit, this nut delivers precise, secure fastening for rotating components where standard right-hand threads would be unsafe, enhancing operational reliability in automotive, aerospace, and heavy machinery applications.

Specification Summary & Compliance

This hex nut features a 5/8"-11 UNC coarse thread with Class 2B thread fit per ASME/ANSI standards, ensuring dimensional accuracy and interchangeability. Key dimensions include a 15/16" width across flats and 3/8" height for the thin profile. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and suitable for use in regulated industrial and international markets.