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The Osborn 99041 is a durable knot wire cup brush designed for heavy-duty deburring and finishing applications. This 4 inch outside diameter brush features 0.020 inch thick steel knot wire construction with a 5/8-11 NC AH arbor hole threading, making it compatible with various power tools and machinery.
The knot wire cup brush delivers effective deburring and surface finishing on a wide range of materials including metals, plastics, and composites. Its robust design ensures long service life and consistent performance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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