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 22-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.

What You’re Getting

22-inch diameter notched blade with aggressive scissor-cutting action
Boron 15B26 steel construction with 46-52 Rockwell hardness for long-lasting edge retention
7-gauge thickness (4.5mm) provides durability without excess weight
Single punch hole design fits 1-1/8 inch square axles
2.50-inch concavity for effective soil mixing and residue burial

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. These notched blades from Osmundson attack residue aggressively, with each notch creating a scissor action that slices through tough stalks other blades just bend over. This blade fits disc harrows and tillage equipment using 1-1/8 inch square axles, making it a versatile replacement for many farm operations.

Made to Last

Osmundson doesn’t mess around with blade materials. 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 quality steel construction handles the punishment of rocks, roots, and variable soil conditions season after season.

Good to Know

Notched blades excel in heavy residue but can be too aggressive in light soils or minimal trash conditions. Many operators run notched blades on front gangs for cutting, smooth on rear for finishing. The single punch mounting means checking for elongated holes from wear – loose blades wobble and wear prematurely. When replacing blades, never mix worn and new on the same gang to avoid uneven cutting.