Description
When you’re dealing with the constant vibration of field work—whether you’re running a disc, operating a mower, or pulling a planter—standard nuts just don’t cut it. They shake loose over time and leave you searching for bolts in the dirt. This nylon lock nut grips tight and stays put, so you can focus on getting the job done instead of constantly retightening hardware.
What You’re Getting
- Nylon insert that creates friction to prevent loosening under vibration
- Zinc plating protects against rust and corrosion for longer service life
- Grade 2 construction handles the stress of agricultural applications
- UNF thread pitch provides stronger holding power than coarse threads
- Reusable design lets you remove and reinstall when maintenance is needed
Built for Real Farm Work
This design prevents the gradual loosening that occurs with standard nuts in high-vibration environments, making it essential for securing implement attachments, hydraulic components, PTO assemblies, and structural connections on tractors and farming equipment. The 3/4 inch size fits a wide range of bolts commonly found on cultivators, mower decks, loader arms, and other heavy-duty agricultural machinery.
Made to Last
The zinc plating extends service life by protecting against rust and corrosion, while the fine UNF thread provides stronger holding power than coarse threads in critical applications. The nylon collar insert deforms elastically over the threads as tightening pressure is applied, creating friction that prevents unexpected failures.
Installation Notes
Thread it on just like a regular nut, but you’ll feel the nylon insert engage as you get close to snug—follow your normal torque specs for the bolt grade and size. Avoid over-tightening, which can damage the nylon insert and reduce locking effectiveness.






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