S-94895A842 7/8"-9 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 or outdoor environments.
• Easy and quick installation with coarse UNC threads and Class 2B fit, reducing assembly time and minimizing cross-threading risks.
• Robust external hex drive design for secure tool engagement, allowing high torque application without slippage.
• Heavy-duty construction with standard 1 5/16" width and 3/4" height, providing stable fastening in demanding mechanical assemblies.
• Wide compatibility with inch-system components and right-hand threading, ideal for various machinery and equipment repairs.
• Long-term durability in vibration-prone settings due to precise manufacturing and high-grade steel material.

Professional Applications & Engineering Value

This Grade 8 heavy-duty hex nut is engineered to address critical challenges in industrial fastening, such as vibration loosening and environmental degradation. The zinc yellow-chromate-plated steel construction offers excellent protection against rust and corrosion, making it suitable for outdoor machinery, construction equipment, and automotive assemblies. With coarse UNC threads and Class 2B thread fit, it ensures smooth engagement and reliable clamping force, reducing the risk of thread damage during high-torque applications. The external hex drive allows for efficient installation using standard wrenches, enhancing productivity in maintenance and manufacturing workflows. Ideal for heavy-load scenarios, this nut provides consistent performance in structural frameworks, industrial motors, and transportation systems, where failure is not an option.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets Grade 8 strength requirements under ASME and SAE specifications, ensuring high tensile and proof load capabilities. The product complies with RoHS and REACH environmental directives, and its manufacturing follows industry norms for inch-system fasteners, providing reliable interchangeability and safety in professional applications.