Description
When your disc blades start polishing the soil instead of cutting through crop residue and weeds, it’s time to swap them out for fresh ones. This 22-inch smooth disc blade from Osmundson brings back that aggressive cutting action you need for effective soil preparation, whether you’re working bean stubble or preparing a clean seedbed for spring planting.
What You’re Getting
- Quality Boron 15B26 steel that’s hard enough to hold an edge but won’t shatter on rocks
- 1/4-inch thickness provides durability without being too heavy for medium-duty work
- Standard 2.50-inch concavity moves soil efficiently while providing good penetration
- Single punch hole design fits standard 1-1/2 inch square axles perfectly
- 46-52 Rockwell hardness rating delivers the right balance of wear resistance and toughness
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 22-inch size works great on medium-sized disc harrows used for secondary tillage, seedbed preparation, and stubble management. Many operators run notched blades on front gangs for cutting, smooth on rear for finishing.
Made to Last
This 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. The single punch mounting system provides a secure fit that won’t wobble loose under field conditions.
Good to Know
This is a direct replacement for worn blades on your disc harrow. When replacing blades, never mix worn and new on the same gang – the diameter difference creates uneven cutting that leaves mohawk strips. Track your blade wear by measuring diameter annually; most blades are shot when they’ve lost 3-4 inches. Consider ordering full gang sets since you’ll need them eventually and shipping’s often the same cost.
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