Description
When you’re swapping out disc blades or doing routine maintenance on your Kuhn mower, you know these little flex washer nuts make all the difference. They’re designed to handle the constant vibration and stress from cutting through thick grass and rough fields without backing off the bolt. One loose blade can ruin your whole cutting pattern, so having the right nuts on hand keeps you moving forward.
What You’re Getting
- 10mm flex washer design that maintains tension even under heavy vibration
- Self-locking action prevents the nut from backing off during operation
- Built tough enough to handle the constant stress of high-speed disc cutting
- Direct replacement for Kuhn’s original hardware—no modifications needed
Built for Real Farm Work
This nut works on Kuhn disc mowers where cutting blades take a beating from stones, fence posts, and whatever else hides in the grass. The flex washer design is critical because disc mowers spin at high RPM, creating forces that would loosen standard nuts. Whether you’re cutting hay, cleaning up ditches, or maintaining pastures, this hardware keeps your blades secure.
Made to Last
These nuts are engineered to handle the punishment that comes with disc mowing. The flex washer distributes load evenly and maintains its grip through temperature changes, wet conditions, and the constant jarring from uneven terrain. AgSmart builds these to OEM specifications, so you get the same reliability as factory parts.
Good to Know
Always replace both the bolt and nut when doing blade maintenance—mixing old and new hardware can cause uneven wear. Keep a few spares in your toolbox since rocks and rough cutting can damage the threads. When installing, snug them down but don’t over-torque, as the flex washer needs room to do its job.




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