Description
When your disc harrow starts dragging through the field instead of cutting clean, it’s often because your blades have worn past their effective diameter. This 24-inch smooth disc blade from Osmundson gets your harrow back to doing what it’s supposed to do—slicing through soil and mixing residue without leaving ridges or uneven spots that show up later in your crop rows.
What You’re Getting
- Quality Boron 15B26 steel that holds a sharp edge through tough conditions
- 46-52 Rockwell hardness rating that balances cutting ability with impact resistance
- 2.80-inch concavity that provides proper soil throw and mixing action
- Single punch mounting hole for secure, wobble-free operation
- 1/4-inch thickness gives you the durability needed for long service life
Built for Real Farm Work
This blade fits disc harrows using 1-1/2 inch round axles, the size you’ll find on many mid-size implements. Whether you’re working corn ground in the fall, preparing seedbeds in spring, or managing summer fallow, smooth blades like this one give you a clean cut that sizes residue without being overly aggressive in lighter soils.
Made to Last
Osmundson doesn’t mess around with blade materials—this Boron 15B26 steel maintains the perfect hardness range, hard enough to hold an edge through acres of tough tillage, but not so brittle it shatters when you clip that hidden field stone. The single punch design creates a solid connection to your axle without the stress points that can develop with combo holes.
Installation Notes
When replacing blades, never mix worn and new ones on the same gang—the diameter difference will leave you with uneven cutting and mohawk strips in your field. Check your blade spacing while the gang is apart, and consider your soil conditions when deciding between smooth and notched edges for different positions on your harrow.
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