Description
When you’re running a twin sickle mower, the overlap section where your two cutterbars meet is one of the hardest-working spots on the whole implement. These countersunk bolts keep the overlap hardware secured tight so your cut stays clean and even across the full width. If you’ve been dealing with loose hardware or uneven cutting at the overlap, these replacement bolts and nuts get things back to factory spec.
What You’re Getting
- Pre-drilled 82° countersunk holes ensure a flush fit that won’t catch on cut material
- Allen head design gives you solid grip for installation and maintenance
- Package of 25 bolts and nuts covers most overlap kit replacement needs
- Proper thread size and length match factory specifications exactly
- Includes Allen wrench so you’ve got the right tool for the job
Built for Real Farm Work
These bolts are specifically engineered for New Holland twin sickle mower systems where two cutterbars work together to handle wider swaths. Whether you’re cutting hay, pasture grass, or roadside vegetation, that overlap zone sees constant vibration and stress as both sickles work back and forth thousands of times per minute.
Made to Last
The countersunk design isn’t just for looks—it keeps bolt heads below the surface where they won’t interfere with cut material flow or catch on debris. The 12-24 thread size provides the right holding power without being oversized for the application, while the precise length ensures proper clamping force.
Good to Know
Installation is straightforward with the included Allen wrench, but take time to clean out the bolt holes first. A little anti-seize compound on the threads helps prevent galling and makes future maintenance easier. Check bolt torque after your first few hours of operation—new hardware tends to settle in.




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