Description
When you're working on equipment that's constantly bouncing around in the field or running for hours at a time, the last thing you need is nuts working loose. This 5/8 inch nylon lock nut stays put when regular nuts would call it quits, keeping your critical connections secure no matter how much vibration and shock your equipment takes.
What You're Getting
- Zinc plating that fights off rust and corrosion season after season
- Nylon insert that grips the threads tight but still lets you remove it when needed
- Fine UNF threads that hold stronger than coarse threads in demanding spots
- Grade 2 construction that handles the loads your equipment puts on it
- Self-locking design that prevents the gradual loosening that kills standard nuts
Built for Real Farm Work
This lock nut is perfect for securing implement attachments, hydraulic fittings, PTO assemblies, and structural connections on tractors, combines, and other farm machinery. It's especially valuable on equipment like cultivator arms during field prep, mower deck assemblies when you're cutting, and loader connections during material handling where constant movement tries to work fasteners loose.
Made to Last
The nylon collar insert creates just enough friction to lock against the bolt threads without making removal a nightmare when maintenance time comes. Meanwhile, that zinc coating keeps the elements from turning your hardware into rust flakes, so it'll still come apart when you need it to.
Installation Notes
Thread it on just like a regular nut, but you'll feel some resistance when the nylon insert starts doing its job—that's normal. Don't overtighten or you'll damage the nylon and lose the locking action. Use standard torque specs for your bolt size and application.
This item is a suitable alternative for the following:
120-84610