Description
When your disc blades start looking more like smooth wheels than cutting tools, it’s time for replacements that’ll actually slice through residue instead of just pushing it around. This 32-inch notched disc blade from Osmundson 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. At 3/8-inch thick, this is a serious blade built for serious tillage work.
What You’re Getting
- Aggressive notched edge design with each notch creating a scissor action that slices through tough stalks other blades just bend over
- Boron 15B26 steel maintains the perfect hardness range – hard enough at 46-52 Rockwell to hold an edge through acres of tough tillage, but not so brittle it shatters when you clip that hidden field stone
- Substantial 3/8-inch thickness provides the beef needed for long service life in demanding conditions
- 4.75-inch concavity creates aggressive soil-throwing action that buries residue and levels fields
- Single punch mounting hole fits 2-1/4 inch square axles for secure, wobble-free operation
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 32-inch blade handles the big jobs on larger disc harrows and heavy-duty tillage equipment. In high-residue conditions like continuous corn or after cover crops, that notched edge makes the difference between effective residue management and a plugged-up mess that forces you to make extra passes.
Made to Last
Osmundson doesn’t mess around with blade materials – just quality steel that works. The 3/8-inch thickness gives you more metal to work with as the blade wears, extending service life compared to thinner blades. This Boron 15B26 steel maintains the perfect hardness range to hold an edge through acres of tough tillage while standing up to rocks and other field hazards.
Installation Notes
When replacing blades, never mix worn and new on the same gang – the diameter difference creates uneven cutting that leaves mohawk strips. The single punch mounting means checking for elongated holes from wear – loose blades wobble and wear prematurely. Track your blade wear by measuring diameter annually; most blades are shot when they’ve lost 3-4 inches. Consider ordering full gang sets – shipping’s often the same, and you’ll need them eventually.
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