Description
When you’re out mowing weeds or brush, you don’t want to be worrying about loose blade bolts. These critical fasteners take a real beating from flying debris and vibration, and when they loosen up, you’ve got a dangerous situation on your hands. This complete bolt kit gives you everything you need to securely mount your rotary cutter blades to your Servis mower.
What You’re Getting
- Complete kit with both the bolt and self-locking nut—no hunting around for matching parts
- Left-hand thread design that tightens naturally as the blade spins, preventing loosening during operation
- Proper 3-3/4″ length with the right amount of thread engagement for a solid, secure fit
- Heavy-duty 1″-14 thread that’s built to handle the high torque and stress from cutting tough brush
- 2-1/4″ bolt head that gives you good grip when you’re tightening things down
Built for Tough Cutting Work
This kit is made for Servis rotary cutters and other brands that use the same left-hand thread setup. Whether you’re maintaining fence rows, cutting hay fields, or clearing overgrown pastures, these bolts keep your blades attached where they belong. The left-hand thread is crucial—it means the bolt actually gets tighter as your blade spins, instead of working loose like a regular right-hand thread would.
Made to Last
Farm work is hard on equipment, and blade bolts see some of the worst of it. This kit uses quality materials that can handle the constant impacts, vibration, and weather that come with field work. The self-locking nut adds an extra layer of security to keep everything tight even when you’re cutting through tough, woody growth.
Installation Notes
Remember, this is a left-hand thread, so you’ll turn it counterclockwise to tighten—opposite of what you’d normally do. If you’re replacing worn bolts, check the blade mounting area for damage while you’ve got everything apart. A little anti-seize on the threads makes future removal easier when it’s time to sharpen or replace blades.






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