Description
If you’ve been dealing with blades that just push crop residue around instead of cutting it up, this crimp center disc blade from Osmundson is designed to tackle the job right. The notched edge brings aggressive cutting action back to your harrow, turning tough corn stalks and matted residue into properly sized pieces that’ll break down instead of hair-pinning around your planter next spring. The crimp center design adds extra strength where it counts most—right at the hub where stress concentrates during heavy tillage work.
What You’re Getting
- 24-inch diameter with aggressive notched edge that creates scissor action on tough stalks
- Crimp center construction for added durability and resistance to cracking
- High-quality Boron 15B26 steel that maintains 46-52 Rockwell hardness for long-lasting edge retention
- Single punch mounting hole for 1-1/2 inch square axles
- 2.88-inch concavity specification that provides proper soil flow and mixing action
Built for Heavy-Duty Tillage
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. These notched blades attack residue aggressively, with each notch creating cutting action that slices through tough stalks other blades just bend over. The crimp center design is especially valuable in rocky or high-stress conditions where standard blades might develop stress cracks.
Made to Last
Osmundson doesn’t mess around with blade materials, using Boron 15B26 steel that 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 1/4-inch thickness provides the durability needed for long service life in demanding conditions.
Installation Notes
The single punch mounting means checking for elongated holes from wear—loose blades wobble and wear prematurely. When storing disc harrows, coat blade edges with used oil to prevent rust pitting that ruins cutting ability. Never mix worn and new blades on the same gang, as the diameter difference creates uneven cutting that leaves mohawk strips.
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