S-94895A858 1 1/8"-12 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength with Grade 8 classification, ensuring reliable performance in high-stress industrial and automotive assemblies.
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh or outdoor environments.
• Precise fine thread engagement with 1 1/8"-12 UNF and Class 2B fit, providing vibration resistance and reduced loosening risks.
• Heavy-duty construction with a standard external hex drive, allowing for high torque application using common tools.
• Optimized dimensional stability with 1 11/16" width and 31/32" height, ensuring consistent fit and ease of installation.
• Right-hand thread design for standard assembly processes, improving efficiency in production lines.
• Durable material composition using plated steel, offering a balance of strength and long-term reliability.

Professional Applications & Engineering Value

This Grade 8 zinc yellow-chromate-plated steel hex nut is engineered to address critical challenges in demanding sectors such as heavy machinery, automotive systems, and structural frameworks. The fine UNF threads (1 1/8"-12) with Class 2B thread fit deliver superior clamp load distribution and resistance to vibrational loosening, a common issue in dynamic environments. The external hex drive facilitates secure tightening with standard wrenches, reducing installation time while maintaining integrity. Combined with the corrosion-resistant zinc yellow-chromate plating, this nut excels in applications exposed to moisture, chemicals, or temperature variations, ensuring long-term performance without frequent maintenance. Ideal for industrial fastening and automotive assemblies, it provides a reliable solution for engineers prioritizing durability and precision.

Specification Summary & Compliance

This hex nut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets Grade 8 strength requirements, equivalent to SAE J429 specifications, and is manufactured from zinc yellow-chromate-plated steel for enhanced corrosion protection. Compliant with RoHS and REACH environmental directives, it ensures safe use across various industries. The product follows ASME/ANSI threading guidelines, guaranteeing interoperability and reliability in mechanical systems.