Description
When you’re moving hay bales or handling other materials with your bale spears, the last thing you want is hardware coming loose and causing problems. This 12mm nylon lock nut is specifically designed for securing cross bolts on bale spears, where vibration and heavy loads are just part of the job. You know how regular nuts have a habit of working loose when your equipment’s bouncing around the field or vibrating during long days of work? That’s where a nylon lock nut earns its keep.
What You’re Getting
- Built-in nylon insert that grips the threads tight, keeping your bolted connections secure even when your machinery’s putting in serious hours
- Zinc plating for corrosion protection against moisture and weather
- Metric 12mm sizing that fits standard bale spear cross bolt applications
- Provides consistent locking torque while allowing for easy removal when maintenance is required
Built for Real Farm Work
Agricultural machinery and equipment subject to constant vibration require reliable fastening solutions that maintain secure connections throughout demanding operations. These nyloc nuts are essential for securing implement attachments, hydraulic components, PTO assemblies, and structural connections on tractors, combines, and farming equipment. This particular nut is ideal for bale spear assemblies where cross bolts take the brunt of the load during material handling operations.
Made to Last
The nylon collar insert deforms elastically over the threads as tightening pressure is applied, creating friction that locks the nut against the screw. This design prevents the gradual loosening that occurs with standard nuts in high-vibration environments, reducing maintenance requirements and preventing unexpected failures. The zinc finish helps resist rust and keeps threads moving smoothly.
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. The nylon insert provides resistance during threading, which is normal operation. Avoid over-tightening, which can damage the nylon insert and reduce locking effectiveness.






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