S-94895A863 1 3/8"-12 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate-plated steel construction, extending service life in harsh industrial environments
• Exceptional load-bearing capacity from Grade 8 strength rating, ensuring reliable performance in heavy-duty applications
• Precise thread engagement with Class 2B thread fit, providing consistent clamping force and vibration resistance
• Enhanced torque transmission through standard external hex drive design, allowing for secure installation with common tools
• Fine thread spacing (12 threads per inch) delivers improved adjustment precision and better retention under dynamic loads
• Right-hand thread direction ensures compatibility with standard assembly procedures and replacement parts
• Durable inch-system sizing (1 3/8"-12 UNF) maintains dimensional stability across temperature variations and stress conditions

Professional Applications & Engineering Value

This heavy-duty Grade 8 hex nut delivers critical performance where failure is not an option. The zinc yellow-chromate-plated steel construction provides a robust barrier against corrosion in demanding environments such as construction equipment, industrial machinery, and transportation systems. The 1 3/8"-12 UNF fine thread configuration offers superior resistance to loosening under vibration, while the Class 2B thread fit ensures consistent engagement with mating components. Engineered for applications requiring exceptional tensile strength and reliable fastening integrity, this nut solves common challenges of joint failure, corrosion-induced degradation, and maintenance downtime in critical assemblies.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit tolerance for optimal mating performance. Complies with UNF (Unified National Fine) thread specifications and inch system measurements. The Grade 8 classification ensures consistent mechanical properties and load ratings. Meets industry standards for heavy-duty industrial fasteners and complies with RoHS and REACH environmental regulations for material composition.