S-97135A285 3/4"-16 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance with a nylon insert that maintains a secure lock under dynamic loads, reducing the risk of loosening in high-stress environments.
• High-strength Grade 8 construction ensures exceptional durability and load-bearing capacity for heavy-duty industrial applications.
• Corrosion-resistant zinc yellow-chromate plating provides long-lasting protection against rust and wear, extending service life in harsh conditions.
• Reliable performance up to 220°F, making it suitable for applications with elevated temperatures without compromising locking integrity.
• Precise Class 2B thread fit offers smooth assembly and consistent engagement with mating components, minimizing cross-threading risks.
• Fine UNF thread design enhances clamping force distribution and improves resistance to loosening under vibration compared to coarse threads.
• Standard external hex drive allows for easy installation and removal using common tools, streamlining maintenance and assembly processes.

Professional Applications & Engineering Value

This Grade 8 nylon insert locknut is engineered to address critical challenges in industrial settings where vibration and dynamic loads can compromise fastener integrity. The zinc yellow-chromate plated steel construction combats corrosion in demanding environments, while the nylon insert creates a consistent locking force that resists loosening under continuous stress. Ideal for heavy-duty machinery, automotive assemblies, and construction equipment, this 3/4"-16 UNF fine thread locknut ensures reliable performance in applications requiring high torque and temperature resistance up to 220°F. Its Class 2B thread fit guarantees precise alignment, reducing installation errors and enhancing overall system safety and longevity.

Specification Summary & Compliance

This locknut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy. Manufactured from high-strength Grade 8 steel with zinc yellow-chromate plating, it meets industry specifications for heavy-duty use. The product complies with relevant RoHS and REACH directives, ensuring environmental safety, and is produced in accordance with ASME and other applicable engineering standards for reliable performance in professional applications.