Description
When you’re looking at your disc harrow blades and they’re not cutting clean lines anymore, it’s time to consider what you need them to do. Smooth blades like this one work differently than notched—they’re the finishing touch that levels and smooths your seedbed after the heavy cutting’s been done. This 22-inch smooth blade delivers consistent soil flow and creates that nice, even finish you want for planting conditions.
What You’re Getting
- Built from Boron 15B26 steel with 46-52 Rockwell hardness that holds an edge through acres of tough work but won’t shatter on hidden rocks
- 2.50-inch concavity that moves soil effectively without being too aggressive for finishing work
- 3/16-inch thickness provides solid durability while keeping the blade nimble enough for clean cutting
- Single punch mounting hole for 1-1/2 inch round axles—direct replacement that bolts right on
- Quality Osmundson construction that’s been proven in farm fields for decades
Built for Real Farm Work
This blade fits disc harrows with 1-1/2 inch round axles, which covers a lot of mid-sized tillage equipment used for secondary tillage work. Whether you’re preparing corn ground, working down soybean stubble, or getting pasture ground ready for seeding, smooth blades excel at creating that final seedbed finish that plants love to emerge through.
Made to Last
Osmundson doesn’t mess around with blade materials—this Boron steel maintains the perfect balance of hardness and toughness. No fancy coatings here, just quality steel that works season after season. The single punch mounting is simple and reliable, designed to handle the constant flexing and impact that comes with tillage work.
Good to Know
Never mix worn and new blades on the same gang—the diameter difference creates uneven cutting that leaves mohawk strips in your field. Track your blade wear by measuring diameter annually; most blades are done when they’ve lost 3-4 inches from their starting size. Consider ordering full gang sets since shipping costs are often the same, and you’ll need them eventually anyway.
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