S-93839A660 1 3/8"-6 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength with Grade 8 classification, ensuring reliable performance in high-stress industrial applications
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh environments
• Easy installation and removal with standard external hex drive design and right-hand thread direction
• Optimized weight and material usage through thin profile design without compromising strength
• Precise thread engagement with Class 2B fit and UNC coarse threads for secure fastening in various materials
• Industry-standard compliance with ASME B18.2.2 specifications for guaranteed quality and interchangeability
• Wide compatibility with inch-system components and coarse-threaded bolts for versatile application use

Professional Applications & Engineering Value

This Grade 8 heavy-duty hex nut delivers critical engineering advantages for demanding industrial environments. The zinc yellow-chromate-plated steel construction provides excellent corrosion protection while maintaining the high tensile strength required for structural applications, heavy machinery, and transportation equipment. The 1 3/8"-6 UNC coarse threads with Class 2B fit ensure rapid assembly and reliable performance in vibration-prone applications, reducing maintenance frequency and downtime. The thin hex nut profile offers space-saving benefits where clearance is limited, while the external hex drive accommodates standard tools for efficient installation. Engineered to ASME B18.2.2 standards, this fastener provides consistent quality and performance across industrial maintenance, construction, and manufacturing applications where corrosion resistance and high-strength fastening are paramount.

Specification Summary & Compliance

This hex nut features precise 1 3/8"-6 UNC coarse threads with Class 2B thread fit for consistent engagement and reliable performance. Manufacturing complies with ASME B18.2.2 standards, ensuring dimensional accuracy and interchangeability. The fastener meets industry requirements for Grade 8 strength classification and features right-hand thread direction with external hex drive configuration. Physical dimensions include 2 1/16" width across flats and 25/32" height. The zinc yellow-chromate plating provides corrosion protection while maintaining compliance with RoHS and REACH environmental standards for industrial use.