Description
If you’ve ever had a disc opener come loose during planting, you know it’s not just an annoyance—it can mess up your seed spacing and depth for the rest of the field. This left-hand threaded nut is designed to secure your disc opener assembly and keep it tight, even under the constant vibration and stress of planting season. The reverse threads actually work with the rotation to keep everything locked in place.
What You’re Getting
- Left-hand thread design that tightens with normal disc rotation—smart engineering that works with your equipment, not against it
- 5/8 inch thread size for proper fit and secure clamping force
- Drop-in replacement that fits like the original—no modifications or adjustments needed
- Heavy-duty construction that handles the daily grind of field conditions
Built for Real Farm Work
This nut is engineered for John Deere planters where disc opener assemblies take a beating from rocks, roots, and tough ground conditions. Whether you’re planting corn in heavy clay or running soybeans in rocky ground, this is the same quality fastener that came on your planter from the factory.
Made to Last
Planter parts need to handle thousands of acres without failing, and this nut is built for exactly that kind of durability. The material and heat treatment are designed to resist wear and maintain proper torque specs season after season, even in the toughest soil conditions.
Installation Notes
Remember, this is a left-hand thread—it turns counterclockwise to tighten. Clean the threads on both the nut and bolt before installation, and apply anti-seize compound if you’re working in particularly tough or corrosive conditions. A quick tip: mark your wrench with tape as a reminder that these threads go the opposite direction.






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