Description
When your current disc blades start glazing over crop residue instead of slicing through it, you know it’s time for fresh cutting edges. This 18-inch notched disc blade puts the aggressive cutting action back into your tillage work, turning stubborn corn stalks and cover crop residue into properly sized pieces that’ll break down instead of wrapping around everything next season.
What You’re Getting
- Aggressive notched edge creates scissor action that slices through tough stalks where smooth blades just push material around
- Boron 15B26 steel holds a sharp edge through acres of work while staying tough enough to handle field stones
- Combo hole design fits both square and round axle configurations on various harrow brands
- 9-gauge thickness provides the right balance of durability and soil penetration for medium-duty work
- 1.63-inch concavity throws soil effectively while maintaining proper residue flow
Built for Real Farm Work
Your disc harrow needs to do more than just roll over crop residue – it needs to cut, size, and mix that material into the soil profile. This blade fits a wide range of medium-duty harrows and tillage tools commonly used for seedbed prep, residue management, and general cultivation work on farms running smaller to mid-size operations.
Made to Last
The hardness stays in that sweet spot of 46-52 Rockwell – hard enough to keep cutting but not so brittle it’ll crack when you hit something solid. The steel composition and heat treatment are designed to handle the constant flexing and impact that comes with real tillage work.
Good to Know
Never mix worn and new blades on the same gang – the diameter difference creates uneven cutting that leaves strips. Notched blades work great in heavy residue but can be too aggressive in light soils, which is why many operators run notched on front gangs and smooth on rear gangs. Check your blade spacing when swapping – notched blades sometimes need slightly different spacing than smooth ones for best performance.






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